sesamoid

noun ses·a·moid \ˈse-sə-ˌmȯid\

Definition of SESAMOID

: a nodular mass of bone (as the patella) or cartilage in a tendon especially at a joint or bony prominence

— sesamoid adjective

Greek sēsamoeidēs, literally, resembling sesame seed, from sēsamon

First Known Use: circa 1696

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