seven-arm octopus

English

Etymology

Because in male seven-arm octopuses, one of their tentacles is smaller and concealed, and is often overlooked.

Noun

seven-arm octopus (plural seven-arm octopuses or (nonstandard) seven-arm octopusses or (nonstandard) seven-arm octopi or (nonstandard) seven-arm octopii or (rare) seven-arm octopodes or (rare, nonstandard) seven-arm octopus)

  1. Haliphron atlanticus, a species of octopus, notable for its large size.
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