Definition of cuttlefish in English:

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cuttlefish

Pronunciation: /ˈkədlˌfiSH/

noun (plural same or cuttlefishes)

Image of cuttlefish
A swimming marine mollusk that resembles a broad squid, having eight arms and two long tentacles that are used for grabbing prey. Its internal skeleton is cuttlebone, which it uses for adjusting buoyancy.
  • Order Sepioidea, class Cephalopoda: Sepia and other genera
Example sentences
  • Nautilus shells are often used decoratively, and the internal shell of a cuttlefish, or cuttle bone, is sold in the pet trade as a calcium source for birds.
  • The whale's prey includes squid, cuttlefish, herring, and sea stars, or starfish.
  • Ammonoids are descendants of the extinct, primitive coiled nautiloids and they are extinct relatives of modern squid, octopus, cuttlefish, and nautilus.

Origin

Late 16th century: from cuttle + fish1.

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