Definition of cuttlefish in English:


Line breaks: cuttle|fish
Pronunciation: /ˈkʌt(ə)lfɪʃ

noun (plural same or cuttlefishes)

  • A swimming marine mollusc that resembles a broad-bodied squid, having eight arms and two long tentacles that are used for grabbing prey. Its internal skeleton is the familiar cuttlebone, which it uses for adjusting buoyancy.
    • Order Sepioidea, class Cephalopoda: Sepia and other genera
    More 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.


late 16th century: from cuttle + fish1.

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a slit made by cutting with a saw