Source : Webster's Revised Unabridged Dictionary (1913)

Crocket \Crock"et\ (kr?k"?t), n. [OF. croquet, F. crochet, dim.
   of croc hook. See {Crook}, and cf. {Crotchet}.]
   1. (Arch.) An ornament often resembling curved and bent
      foliage, projecting from the sloping edge of a gable,
      spire, etc.

   2. A croche, or knob, on the top of a stag's antler.

            The antlers and the crockets.         --W. Black.

Source : WordNet®

crocket
     n : an architectural ornament of curved foliage used at the edge
         of a spire or gable