noun pl. lobsters or lobster
- 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 bright red when boiled
- the flesh of these animals used as food
Origin:
ME < OE loppestre, lopustre < loppe, spider (from the external resemblance: see lob) + -estre: see -ster