OXFORD DICTIONARY
Lobster, n. & v.
--n.
1 any large marine crustacean of the family Nephropidae, with stalked eyes and two pincer-like claws as the first pair of ten limbs.
2 its flesh as food.
--v.intr. catch lobsters.
lobster-pot a basket in which lobsters are trapped. lobster thermidor a mixture of lobster meat, mushrooms, cream, egg yolks, and sherry, cooked in a lobster shell.
OE lopustre, corrupt. of L locusta crustacean, locust: thermidor f. the name of the 11th month of the Fr. revolutionary calendar
THESAURUS
Lobster
Chilopoda, Chordata, Dungeness crab, Echiuroidea, Ectoprocta, Entoprocta, Japanese crab, Monoplacophora, Nemertinea, Phoronidea, blue point, clam, coquillage, crab, crawdad, crawfish, crayfish, gawk, klutz, langouste, limpet, littleneck clam, looby, lout, lubber, lug, lummox, lump, mussel, oaf, oyster, palooka, periwinkle, prawn, quahog, scallop, shellfish, shrimp, snail, soft-shell crab, steamer, whelk