plural noun

: an order of cephalopod mollusks (subclass Dibranchia) comprising the octopuses, argonauts, and related mollusks that have eight arms with sessile suckers devoid of horny rims and that often have vestiges of an internal shell but have an external shell only in the argonaut
adjective or noun

Word History


New Latin, from Greek oktōpoda, oktapoda, neuter plural of oktōpod-, oktapod-, oktōpous, oktapous octopod

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Cite this Entry

“Octopoda.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Octopoda. Accessed 23 May. 2024.

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