Gle"noid (?), a. [Gr. &?;; &?; socket of a joint + &?; form; cf. F. glénoïde.] (Anat.) Having the form of a smooth and shallow depression; socketlike; -- applied to several articular surfaces of bone; as, the glenoid cavity, or fossa, of the scapula, in which the head of the humerus articulates.