WordNet (r) 3.0 (2006):
glenoid fossa n 1: a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible [syn: glenoid fossa, mandibular fossa] 2: the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint [syn: glenoid fossa, glenoid cavity]