I. -ˌmȯid adjective
Etymology: Greek sēsamoeidēs, literally, resembling sesame seed, from sēsamon sesame + -oeidēs -oid
: of, relating to, or being a nodular mass of bone or cartilage in a tendon especially where the tendon passes over a joint or some bony prominence
II. noun
( -s )
: a sesamoid bone or cartilage