[ 'gli:nɔɪd ]
(also glenoid fossa )
■ noun Anatomy a shallow depression on a bone into which another bone fits to form a joint, especially that on the scapula into which the head of the humerus fits.
Origin
C18: glenoid from Fr. glénoïde , from Gk glēnoeidēs , from glēnē 'socket'.