octopi

English

Etymology

Created in Latin by analogy with pōlypus (“octopus”), which was either second or third declension in both Latin and Greek, though historically third in the latter.

Noun

octopi

1. (nonstandard) plural of octopus

Usage notes

The forms octopuses and octopi appear roughly equally prevalent, with octopodes being much rarer. However, octopi is nonstandard. See octopus for further discussion.