Source : Webster's Revised Unabridged Dictionary (1913)

Brocket \Brock"et\ (br[o^]k"[e^]t), n. [OE. broket, F. broquart
   fallow deer a year old, fr. the same root as E. broach,
   meaning point (hence tine of a horn).]
   1. (Zo["o]l.) A male red deer two years old; -- sometimes
      called {brock}.

   2. (Zo["o]l.) A small South American deer, of several species
      ({Coassus superciliaris}, {C. rufus}, and {C. auritus}).

Source : WordNet®

brocket
     n 1: small South American deer with unbranched antlers
     2: male red deer in its second year