Beluga
Pronunciation : Be*lu"ga
Part of Speech : n.
Etymology : [Russ. bieluga a sort of large sturgeon, prop. white fish, fr. bieluii white.] (Zo?l.)
Definition : Defn: A cetacean allied to the dolphins.
Note: The northern beluga (Delphinapterus catodon) is the white whale and white fish of the whalers. It grows to be from twelve to eighteen feet long.
Source : Webster's Unabridged Dictionary, 1913