Source : Webster's Revised Unabridged Dictionary (1913)

Hamulus \Ham"u*lus\, n.; pl. {Hamuli}. [L., a little hook.]
   1. (Anat.) A hook, or hooklike process.

   2. (Zo["o]l.) A hooked barbicel of a feather.

Source : WordNet®

hamuli
     See {hamulus}