reo

See also: Reo, REO, réo, rẻo, re'o, and reo-

Languages (12)

English

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Galician • Irish • Italian • Latin • Māori • Old High German • Rarotongan • Spanish • Tahitian • Ternate • Vietnamese

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Page categories

English

Pronunciation

• Audio (US):

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Etymology 1

Etymology tree

Proto-Italic *wre-

Latin re-der.

Old French re-bor.

Middle English re-

English re-

English inforce

English reinforce

Proto-Indo-European *-mn̥

Proto-Indo-European *-mn̥tom

Proto-Italic *-mentom

Latin -mentum

Old French -mentbor.

Middle English -ment

English -ment

English re(inforcement)

Latin ō

Old French ohbor.

Middle English o

English O

▲

Middle English o

English oh

English -o

English reo

From re(inforcement) + -o.

Noun

reo (plural reos)

1. (Australia, World War I, informal) A reinforcement (additional soldiers).

Etymology 2

Etymology tree

Proto-Italic *wre-

Latin re-der.

Old French re-bor.

Middle English re-

English re-

English entry

English re(-entry)

Latin ō

Old French ohbor.

Middle English o

English O

▲

Middle English o

English oh

English -o

English reo

From re(-entry) + -o.

Noun

reo (plural reos)

1. (Australia, surfing, informal) A re-entry (climbing a wave and then returning down its face).

Etymology 3

Etymology tree

English re(inforcing)

Latin ō

Old French ohbor.

Middle English o

English O

▲

Middle English o

English oh

English -o

English reo

From re(inforcing) + -o.

Noun

reo (uncountable)

1. (Australia, construction, informal) Steel used to reinforce concrete.

Anagrams

• Ore, ROE, öre, roe, eor, Roe, ORE, RoE, Ore., ore, o'er, OER, EOR

Galician

Etymology 1

Learned borrowing from Latin reus (“accused”). Compare Portuguese réu.

Pronunciation

• IPA^(key): /ˈreo̝/

Noun

reo m (plural reos, feminine rea, feminine plural reas)

1. convict
2. person accused of a crime

Etymology 2

Probably from Late Latin rhēdō, of probable Gaulish origin.

Reo

Pronunciation

• IPA^(key): /ˈreo̝/

Noun

reo m (plural reos)

1. sea trout
   • 1417, Ángel Rodríguez González (ed.), Libro do Concello de Santiago (1416-1422). Santiago de Compostela: Consello da Cultura Galega, page 75:

     Iten a libra dos corvelos et mugees et robalos et robaliças et reos et vesugos et douradas [...] a quatro dineiros cada libra

     Item, the pound of young pollacks and of mullets and of basses and of young basses and of sea trouts and of seabreams and of gilt-head breams [...], four diñeiros each pound

References

• Seoane, Ernesto Xosé González; Granja, María Álvarez de la; Agrelo, Ana Isabel Boullón (2006–2022), “reo”, in Dicionario de Dicionarios do galego medieval [Dictionary of dictionaries of Medieval Galician] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Barreiro, Xavier Varela; Guinovart, Xavier Gómez (2006–2018), “reo”, in Corpus Xelmírez: corpus lingüístico da Galicia medieval [Corpus Xelmírez: linguistic corpus of Medieval Galicia] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Santamarina, editor (2006–2013), “reo”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Santamarina, Ernesto X. González Seoane, María Álvarez de la Granja, editors (2003–2018), “reo (condenado)”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Santamarina, Ernesto X. González Seoane, María Álvarez de la Granja, editors (2003–2018), “reo (peixe)”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Rosario Álvarez Blanco, editor (2014–2024), “reo”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN

Irish

Pronunciation

• (Munster, Connacht) IPA^(key): /ɾˠoː/
• (Ulster) IPA^(key): /ɾˠɔː/

Etymology 1

From Middle Irish reód, from Old Irish réud, from Proto-Celtic *ɸreswos, from Proto-Indo-European *prews-.

Alternative forms

• reodh, reódh (obsolete)

Noun

reo m (genitive singular reo, no nominative plural)

1. verbal noun of reoigh (“freeze; congeal, solidify”)
2. frost

Declension

Declension of reo (fourth declension, no plural)

bare forms singular nominative reo vocative a reo genitive reo dative reo forms with the definite article singular nominative an reo genitive an reo dative leis an reo don reo

Derived terms

• coinlín reo, coinneal reo (“icicle”)
• frithreo (“antifreeze”)
• gabhairín reo, gabhar reo (“male snipe”)
• reo-chumhscú (“cryoturbation”)
• reoigh (“freeze; congeal, solidify”, verb)
• reoite (“frozen”)

Further reading

• A. Palandri, Ú. Bhreathnach, M. Měchura, G. Ó Cleircín, and B. Ó Raghallaigh, (2026), “reo”, in Taisce Chanúintí na Gaeilge - Repository of Irish Dialects‎^[2] (in Irish and English), Dublin City University
• Dinneen, Patrick S. (1927), “reoḋ”, in Foclóir Gaeḋilge agus Béarla [Irish and English Dictionary], 2nd edition, Dublin: Irish Texts Society, pages 891–592; reprinted with additions 1996, →ISBN
• Ó Dónaill, Niall (1977), “reo”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN

Etymology 2

Noun

reo f or m (genitive singular reo, nominative plural reoanna)

1. alternative form of ré (“moon; era”)

Declension

Feminine

Declension of reo (fourth declension)

bare forms singular plural nominative reo reonna vocative a reo a reonna genitive reo reonna dative reo reonna forms with the definite article singular plural nominative an reo na reonna genitive na reo na reonna dative leis an reo don reo leis na reonna

Masculine

Declension of reo (fourth declension)

bare forms singular plural nominative reo reonna vocative a reo a reonna genitive reo reonna dative reo reonna forms with the definite article singular plural nominative an reo na reonna genitive an reo na reonna dative leis an reo don reo leis na reonna

Italian

Etymology

Borrowed from Latin reus (“defendant, accused”). Cognate to rio (“bad”), inherited from the same source.

Pronunciation

• IPA^(key): /ˈrɛ.o/
• Rhymes: -ɛo
• Hyphenation: rè‧o

Adjective

reo (feminine rea, masculine plural rei, feminine plural ree) [with di]

1. guilty (of)

Noun

reo m (plural rei)

1. offender

Anagrams

• -erò, -ore, Ero, Ore, ero, ore

Latin

Pronunciation

• (Classical Latin) IPA^(key): [ˈre.oː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈrɛː.o]

Adjective

reō

1. dative/ablative masculine/neuter singular of reus

Noun

reō

1. dative/ablative singular of reus

Māori

Etymology

From Proto-Nuclear Polynesian *leo, from Proto-Polynesian *leqo, from Proto-Oceanic *(qa-)liqoR, from Proto-Eastern Malayo-Polynesian *liqəR, from Proto-Central-Eastern Malayo-Polynesian *liqəR, from Proto-Malayo-Polynesian *liqəR, from Proto-Austronesian *liqəR (“neck”).

Pronunciation

• IPA^(key): /ˈreo/ [ˈɾɛɔ]

Noun

reo

1. voice
2. speech, utterance
3. language

Derived terms

• reo tupu
• te reo

Old High German

Etymology

Cognate to Old Norse hræ.

Noun

rēo n

1. corpse

Rarotongan

Etymology

From Proto-Nuclear Polynesian *leo, from Proto-Polynesian *leqo, from Proto-Oceanic *(qa-)liqoR, from Proto-Eastern Malayo-Polynesian *liqəR, from Proto-Central-Eastern Malayo-Polynesian *liqəR, from Proto-Malayo-Polynesian *liqəR, from Proto-Austronesian *liqəR (“neck”).

Noun

reo

1. voice
2. speech
3. language

Spanish

Pronunciation

• IPA^(key): /ˈreo/ [ˈre.o]
• Rhymes: -eo
• Syllabification: re‧o

Etymology 1

Learned borrowing from Latin reus (“accused”). Compare Portuguese réu.

Noun

reo m (plural reos, feminine rea, feminine plural reas)

1. defendant (as in a trial)
2. delinquent
   • 2021 June 20, Carlos E. Cué, “Las razones de los nueve indultos: “Fomentar la convivencia en Cataluña””, in El País‎^[3], archived from the original on 21 June 2021:

     Esto es, quedarán anulados si el reo vuelve a cometer un delito penado con entre tres y cinco años de prisión.

     (please add an English translation of this quotation)

Adjective

reo (feminine rea, masculine plural reos, feminine plural reas)

1. accused of a crime
2. found guilty of a crime

Etymology 2

Uncertain; probably from Celto-Latin rhēdō, redo.

Noun

reo m (plural reos)

1. (zoology) sea trout

Etymology 3

Etymology tree

Latin reuslbor.

Catalan reubor.

Spanish reo

Borrowed from Catalan reu.

Noun

reo m (plural reos)

1. turn (in a game)

   Synonyms: vez, turno

Derived terms

• a reo y al reo

Further reading

• “reo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025

Tahitian

Etymology

From Proto-Nuclear Polynesian *leo, from Proto-Polynesian *leqo, from Proto-Oceanic *(qa-)liqoR, from Proto-Eastern Malayo-Polynesian *liqəR, from Proto-Central-Eastern Malayo-Polynesian *liqəR, from Proto-Malayo-Polynesian *liqəR, from Proto-Austronesian *liqəR (“neck”).

Pronunciation

• IPA^(key): /ˈreo/

Noun

reo

1. language

Ternate

Pronunciation

• IPA^(key): [ˈɾe.o]

Verb

reo

1. (transitive) to make something smooth

Conjugation

Conjugation of reo

		singular	plural
			inclusive	exclusive
1st person		toreo	foreo	mireo
2nd person		noreo	nireo
3rd person	masculine	oreo	ireo yoreo (archaic)
	feminine	moreo
	neuter	ireo

References

• Rika Hayami-Allen (2001), A descriptive study of the language of Ternate, the northern Moluccas, Indonesia, University of Pittsburgh

Vietnamese

Pronunciation

• (Hà Nội) IPA^(key): [zɛw˧˧]
• (Huế) IPA^(key): [ʐɛw˧˧]
• (Saigon) IPA^(key): [ɹɛw˧˧]

Verb

reo • (嘹, 僚)

1. to shout in cheer or to express eagerness
2. (of an alarm) to ring

   Chuông báo thức reo lúc 6 rưỡi sáng.

   The alarm goes off at 6:30 A.M.

See also

• hò reo
• reo hò
• reo vui