cuttlefish \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\noun Etymology:cuttle (I) + fish : a 10-armed marine cephalopod mollusk of the family Sepiidae (order Decapoda) differing from a squid in possessing a calcified internal shell; broadly: any of various other cephalopods (as the squids and octopuses) — see sepia