/kut"l fish'/ , n. , pl. ( esp. collectively ) cuttlefish , ( esp. referring to two or more kinds or species ) cuttlefishes .
any of several cephalopods, esp. of the genus Sepia, having eight arms with suckers and two tentacles, and ejecting a black, inklike fluid when in danger.
[ 1400-50; late ME codel, OE cudele cuttlefish + FISH ]