Real Dictionary

lobster
variable noun: A lobster is a sea creature that has a hard shell, two large claws, and eight legs.

lobster in American English
any of various families (esp. Nephropidae) of marine, bottom-dwelling decapods with compound eyes, long antennae, and usually the first pair of legs modified into large, powerful pincers: lobsters are greenish or dark gray in color when alive, but turn br
to fish for lobsters
noun: any of various large, edible, marine, usually dull-green, stalk-eyed decapod crustaceans of the family Homaridae, esp. of the genus Homarus, having large, asymmetrical pincers on the first pair of legs, one used for crushing and the other for cutting and

lobster in British English
noun: any of several large marine decapod crustaceans of the genus Homarus, esp H. vulgaris, occurring on rocky shores and having the first pair of limbs modified as large pincers

lobster in Hospitality
A lobster is a sea creature with a hard shell and two large claws. Its flesh is often eaten as food.