[ˈsɛsəmɔɪd], (Noun)

Definitions:
- a small independent bone or bony nodule developed in a tendon where it passes over an angular structure, typically in the hands and feet. The kneecap is a particularly large sesamoid bone


Phrases:

Origin:
late 17th century: from sesame(with reference to the similarity in shape of a sesame seed) + -oid