glenoid fossa gle·noid·fossa uncommon noun 1. a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible Synonymsglenoid fossamandibular fossa 2. the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint Synonymsglenoid fossaglenoid cavity Related words Broader terms pit Parts scapulatemporal bone WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
