A cuttlefish is a sea animal that has a soft body and a hard shell inside.
cuttlefish in British English
(ˈkʌtəlˌfɪʃ)
nounWord forms: plural-fish or -fishes
any cephalopod mollusc of the genus Sepia and related genera, which occur near the bottom of inshore waters and have a broad flattened body: order Decapoda (decapods)
Sometimes shortened to: cuttle. See also squid1
cuttlefish in American English
(ˈkʌtəlˌfɪʃ)
nounWord forms: pluralˈcuttleˌfish or ˈcuttleˌfishes
any of a family (Sepiidae) of cephalopods that have suckers on their eight arms and two tentacles, a hard internal shell, large complex eyes, and a water-ejecting jetlike siphon for locomotion: when in danger, most cuttlefishes eject a dark-brown, inklike fluid
: also ˈcuttle
Word origin
ME codel < OE cudele, akin to Norw dial. kaule (*kodle), OLowG cudele, older Du kuttlevisch: sense “pouch fish”: for IE base see cod2