Corsac \Cor"sac\ (k?r"s?k), n. (Zo["o]l.) The corsak.
Source: Webster's Revised Unabridged Dictionary (1913)
Corsak \Cor"sak\ (k?r"s?k), n. (Zo["o]l.) A small foxlike mammal (Cynalopex corsac), found in Central Asia. [Written also corsac.]