sesamoid

• POS: Adjective
• HYPHEN: ses=a=moid

CIDE DICTIONARY

sesamoid, a. [Gr. like sesame; sesame + e'i^dos form: cf. F. sésamoïde.].

•  Resembling in shape the seeds of sesame.  [1913 Webster]
•  Of or pertaining to the sesamoid bones or cartilages; sesamoidal.  [1913 Webster]

Sesamoid bones, Sesamoid cartilages (Anat.), small bones or cartilages formed in tendons, like the patella and pisiform in man.

sesamoid, n. 

 A sesamoid bone or cartilage.  [1913 Webster]

OXFORD DICTIONARY

sesamoid, adj. & n.
--adj. shaped like a sesame seed; nodular (esp. of small independent bones developed in tendons passing over an angular structure such as the kneecap and the navicular bone).
--n. a sesamoid bone.