'Hausen' definitions:

Definition of 'hausen'

noun

Valuable source of caviar and isinglass; found in Black and Caspian seas [syn: beluga, hausen, white sturgeon, Acipenser huso]

From: GCIDE

Hausen \Hau"sen\ (h[add]"s[e^]n), n. [G.] (Zool.) A large sturgeon (Acipenser huso syn. Huso huso) from the region of the Black Sea; also called Beluga. It is sometimes twelve feet long, and provides the highest quality caviar. [1913 Webster +PJC]

From: GCIDE

Huso \Hu"so\, n. [NL., fr. G. hausen, and E. isinglass.] (Zool.) (a) A large European sturgeon (Huso huso or {Acipenser huso}), inhabiting the region of the Black and Caspian Seas. It sometimes attains a length of more than twelve feet, and a weight of two thousand pounds. Called also hausen and beluga. It is the source of the finest and most esteemed caviar. (b) The huchen, a large salmon. [1913 Webster]

From: GCIDE

Beluga \Be*lu"ga\ (b[-e]*l[=u]"g[.a]), n. [Russ. bieluga a sort of large sturgeon, prop. white fish, fr. bieluii white. The whale is now commonly called bieluka in Russian.]
1. (Zool.) A cetacean allied to the dolphins. [1913 Webster]
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. [1913 Webster]
2. the sturgeon (Huso huso) native to the Black Sea and Caspian Sea; -- also called hausen. It is valued for its roe, sold as caviar, and is also used for production of isinglass. See also sturgeon. [PJC]
3. the caviar obtained from the beluga[2]; -- also called beluga caviar. The caviar of the beluga is considered the finest sort, larger and of a taste superior to that obtained from other sturgeon. See also sturgeon and caviar. [PJC]