1. The concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
   "A dislocated shoulder occurs when the head of the humerus is forced out of the glenoid fossa";
   - glenoid cavity
    
2. A deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible
   "The glenoid fossa forms part of the temporomandibular joint";
   - mandibular fossa

Derived forms: glenoid fossae

Type of: fossa, pit

Part of: os temporale, scapula, shoulder blade, shoulder bone, temporal bone

Encyclopedia: Glenoid fossa