glenoid fossa

(noun) a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible. Synonyms: glenoid fossa, mandibular fossa.

(noun) the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint. Synonyms: glenoid fossa, glenoid cavity.