octopus

noun

oc·​to·​pus ˈäk-tə-pəs How to pronounce octopus (audio)
-ˌpu̇s
plural octopuses or octopi ˈäk-tə-ˌpī How to pronounce octopus (audio)
1
plural also octopodes äk-​ˈtä-​pə-​ˌdēz How to pronounce octopus (audio)
-​ˈtō-
: any of a genus (Octopus) of cephalopod mollusks that have eight muscular arms equipped with two rows of suckers
broadly : any octopod excepting the paper nautilus
2
: something that resembles an octopus especially in having many centrally directed branches
an octopus of a corporation which lends, buys, produces, and sellsAtlantic

Illustration of octopus

Illustration of octopus
  • octopus 1

Examples of octopus in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
De Laurentiis shared a snap of their room service dinner, which included a green curry with vegetables on top and another multi-colored dish with octopus and garnishes of radish and onions on top. Kimberlee Speakman, People.com, 2 Sep. 2025 Paul was able to lock in the octopus submission, Cena picked him up and went for the AA, Paul rolled through, Cena got out, and then Cena locked in the STF. Blake Oestriecher, Forbes.com, 31 Aug. 2025 Over the last half-billion years, squid, octopuses and their kin have evolved much like a fireworks display, with long, anticipatory pauses interspersed with intense, explosive changes. Jake Buehler, Quanta Magazine, 28 Aug. 2025 From an octopus lunging at a videographer that stopped our hearts, to a dog being returned for a third time, this week's headlines left us speechless with the unusual and upsetting scenarios. Liz O'Connell, MSNBC Newsweek, 23 Aug. 2025 See All Example Sentences for octopus

Word History

Etymology

New Latin Octopod-, Octopus, from Greek oktōpous

First Known Use

1759, in the meaning defined at sense 1

Time Traveler
The first known use of octopus was in 1759

Browse Nearby Words

Cite this Entry

“Octopus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octopus. Accessed 8 Sep. 2025.

Kids Definition

octopus

noun
oc·​to·​pus ˈäk-tə-pəs How to pronounce octopus (audio)
plural octopuses or octopi -ˌpī How to pronounce octopus (audio)
1
: any of various sea mollusks that are cephalopods having eight muscular arms with two rows of suckers which hold objects (as its prey)
2
: something suggestive of an octopus
especially : a powerful grasping organization with many branches
Etymology

from scientific Latin Octopod-, Octopus "octopus," from Greek oktōpous, literally, "eight-footed," from oktō "eight" and pous "foot"

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