[ok-tuh-puh s] /ˈɒk tə pəs/

noun, plural octopuses, octopi
[ok-tuh-pahy] /ˈɒk təˌpaɪ/ (Show IPA)
any octopod of the genus Octopus, having a soft, oval body and eight sucker-bearing arms, living mostly at the bottom of the sea.
something likened to an octopus, as an organization with many forms of far-reaching influence or control.
noun (pl) -puses
any cephalopod mollusc of the genera Octopus, Eledone, etc, having a soft oval body with eight long suckered tentacles and occurring at the sea bottom: order Octopoda (octopods)
a powerful influential organization with far-reaching effects, esp harmful ones
another name for spider (sense 8)

1758, genus name of a type of eight-armed cephalopod mollusks, from Greek oktopous, literally “eight-footed,” from okto “eight” (see eight) + pous “foot” (see foot (n.)). Proper plural is octopodes, though octopuses probably works better in English. Octopi is from mistaken assumption that -us in this word is the Latin noun ending that takes -i in plural.


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  • Octosyllabic

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  • Octosyllable

    [ok-tuh-sil-uh-buh l] /ˈɒk təˌsɪl ə bəl/ noun 1. a word or line of verse of eight syllables. /ˈɒktəˌsɪləbəl/ noun 1. a line of verse composed of eight syllables 2. a word of eight syllables

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