The Collaborative International Dictionary of English v.0.48:

Hogget \Hog"get\, n. [See Hog, and Hoggerel.]
   1. A young boar of the second year.
      [1913 Webster]

   2. A sheep or colt alter it has passed its first year.
      [1913 Webster]

WordNet (r) 3.0 (2006):

hogget
    n 1: a sheep up to the age of one year; one yet to be sheared
         [syn: hog, hogget, hogg]