释义 |
be·lu·ga noun also be·lou·ga \bəˈlügə\ (-s) Etymology: Russian byeluga, from byely white; akin to Old Slavic byelŭ white, Sanskrit bhāti he shines — more at fancy 1. : a white sturgeon (Acipenser huso) of the Black sea, Caspian sea, and their tributaries that reaches a length of 18 feet and has a swim bladder that is used to make isinglass and roe that is made into caviar 2. [Russian byelukha, from byely white] : a cetacean (Delphinapterus leucas) of the family Delphinidae becoming about 10 feet long and white when adult and occurring chiefly in northern seas and especially in the lower St. Lawrence river — called also white whale |