pacu.
Any of certain freshwater fish of the family Serrasalmidae, endemic to South America; they are characterised by squarish, human-like teeth and a mainly herbivorous diet.
Meaning & usage
Any of certain freshwater fish of the family Serrasalmidae, endemic to South America; they are characterised by squarish, human-like teeth and a mainly herbivorous diet.
Where this word comes from
From Portuguese pacu, from Old Tupi paku.
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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.