English

Noun

Poisson ‎(plural Poissons)

1. (mathematics) The Poisson distribution.

Proper noun

Poisson

1. Siméon Denis Poisson (1781-1840), French mathematician.

Anagrams

• poisons

French

Etymology

From poisson "fish"

Proper noun

Poisson

1. A French metonymic surname​.

Anagrams

• poisons, posions

French

Noun

poisson m ‎(plural poissons)

1. fish (marine animal)

Derived terms

Anagrams

• poisons, posions

Old French

Alternative forms

Etymology

First attested as pescion in 980, from peis +‎ -on, peis being from Latin piscis. Peis probably evolved into pescion to avoid confusion with its homonym peis ‎(“peace”).

Noun

poisson m ‎(oblique plural poissons, nominative singular poissons, nominative plural poisson)

1. fish

Descendants

• French: poisson

References

• “poisson” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).