brocket

noun2

1. •
   A stag in its second year, before its horns have started branching.

   • “Why, a stag is called a brocket until he is three years old, at four years he is a staggart; at five years a warrantable stag; and after five years he becomes a hart royal.” — 1847
2. •
   A brocket deer, a member of genus Mazama, of short-horned deer of the tropical Americas.

   • Before fighting, brockets rear and jump in display; when fighting, they jump over each other, striking the opponent with the hooves of the forelegs or hind legs in passing. — 1998