LANGOUSTE Meaning of LANGOUSTE in English [ 'lɒŋgu:st ]■ noun a spiny lobster, especially when prepared and cooked.OriginFr., from Old Provençal lagosta , based on L. locusta 'locust, crustacean'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004