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Definition of piau

piau

/piːˈaʊ/
pi · au
Plural:piaus
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piau Lexical Profile

• noun

1

South American A South American freshwater fish belonging primarily to the family Anostomidae, native to major river basins such as the Amazon, Paraná, and São Francisco, often distinguished by an elongated body and varied herbivorous or omnivorous diet.

Example

"During the expedition along the São Francisco River, local fishermen cast their nets to catch piau, a staple food source in the region."

Synonyms
View all synonyms for piau

• Rhymes for piau

• Nearby Words

piano
pianoforte
piapiac
piau
piazza
pic
pica

Word Origin & Etymology

Borrowed from Portuguese 'piau', which originated from the Old Tupi word 'pi'awa', historically used to describe spotted fishes or specific river fish of the region.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Piau. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/piau
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