ginglymoid joint ging·ly·moid·joint uncommon noun 1. a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane Synonymshinge jointginglymusginglymoid joint Related words Broader terms synovial joint Narrower terms kneeelbowinterphalangeal joint WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.