\Ses"a*moid\, a. [Gr. ???? like sesame; ????? sesame +
??? form: cf. F. s['e]samo["i]de.]
1. Resembling in shape the seeds of sesame.
2. (Anat.) Of or pertaining to the sesamoid bones or
   cartilages; sesamoidal.
{Sesamoid bones}, {Sesamoid cartilages} (Anat.), small bones
   or cartilages formed in tendons, like the patella and
   pisiform in man.

\Ses"a*moid\, n. (Anat.)
A sesamoid bone or cartilage.