HusoHu"so\, n. [NL., fr. G. hausen, and E. isin?glass.] (Zo["o]l.) (a) A large European sturgeon (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. (b) The huchen, a large salmon.