knee joint knee·joint uncommon noun 1. hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella Synonymskneeknee jointarticulatio genusgenu Related words Broader terms hinge joint Parts leg Part of patellamusculus articularis genusgenicular vein WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
