ossicle

Os"si*cle, n. Etym: [L. ossiculum, dim. of os, ossis, a bone.] 1. A little bone; as, the auditory ossicles in the tympanum of the ear. 2. (Zoöl.) Defn: One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes.

---