cuttlefish

noun

cut·​tle·​fish ˈkə-tᵊl-ˌfish How to pronounce cuttlefish (audio)
: any of various marine cephalopod mollusks (order Sepiida, especially genus Sepia) having eight short arms and two usually longer tentacles and differing from the related squid in having a calcified internal shell

Illustration of cuttlefish

Illustration of cuttlefish

Examples of cuttlefish 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.
The cuttlefish bone, meanwhile, symbolized the bird that had literally flown the coop. Howard Halle, ARTnews.com, 10 Apr. 2026 If your guests can eat squid or cuttlefish, use those instead of shellfish. Betsy, Bon Appetit Magazine, 17 Mar. 2026 The captain, too, seemed content, and at one point donned a mask and snorkel of his own, eased into the water, and speared a five-pound cuttlefish for his supper. Graeme Wood, The Atlantic, 17 Mar. 2026 Signature dishes include black spaghetti with sea urchins, ricotta, and cuttlefish and a ravishingly good pork-belly secondis. Rosalyn Wikeley, Condé Nast Traveler, 12 Jan. 2026 See All Example Sentences for cuttlefish

Word History

Etymology

Middle English cotul + English fish

First Known Use

1591, in the meaning defined above

Time Traveler
The first known use of cuttlefish was in 1591

Browse Nearby Words

Cite this Entry

“Cuttlefish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cuttlefish. Accessed 1 May. 2026.

Kids Definition

cuttlefish

noun
cut·​tle·​fish -ˌfish How to pronounce cuttlefish (audio)
: a marine mollusk having eight short arms and two longer tentacles and differing from the related squid in having an internal shell composed of compounds of calcium

More from Merriam-Webster on cuttlefish

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster