A goatlike animal (Capra Jemlaica) native of the Himalayas. It has small, flattened horns, curved directly backward. The hair of the neck, shoulders, and chest of the male is very long, reaching to the knees. Called also serow, and imo.  [1913 Webster]

 It needs; need.  Piers Plowman.  [1913 Webster]