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PORTUGUESE · A WORD WITH POSSIBILITIES

Castro.

a toponym indicating the presence of a fort

6 characters2 syllables approx.Português language

Meaning & usage

name/ˈkas.tɾu/Brazil/ˈkaʃ.tɾu/Rio-de-Janeiro/ˈkaʃ.tɾu/Portugal

  1. a toponym indicating the presence of a fort

  2. a city and municipality of Paraná, Brazil

Where this word comes from

Inherited from Old Galician-Portuguese Castro, from castro (“fortification”). Cognate with Galician and Spanish Castro. The municipality in Brazil was named after Portuguese minister Martinho de Melo e Castro.

name/ˈkas.tɾu/Brazil/ˈkaʃ.tɾu/Rio-de-Janeiro/ˈkaʃ.tɾu/Portugal

  1. a toponymic surname

    by-personal-gender · feminine · masculine
Where this word comes from

Inherited from Old Galician-Portuguese Castro, from castro (“fortification”). Cognate with Galician and Spanish Castro. The municipality in Brazil was named after Portuguese minister Martinho de Melo e Castro.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.