A sea animal with a soft body and eight flexible arms lined with suckers.
From modern Latin, from Greek "oktōpous" meaning "eight-footed," from "okto" (eight) and "pous" (foot). The original Greek plural was "oktōpodes."
Octopuses are incredibly smart; they can solve puzzles, open jars, and even escape from tanks. The debate over the "correct" plural (octopuses vs. octopi vs. octopodes) comes from mixing Greek and Latin rules, which is why people argue about it so much.
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