mortise joint

Noun	1.	mortise joint - a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus Synonyms: ankle, ankle joint, articulatio talocruralis
	2.	mortise joint - a joint made by inserting tenon on one piece into mortise holes in the other Synonyms: mortise-and-tenon joint

ankle, ankle joint, anklebone, articulatio plana, articulatio talocruralis, astragal, astragalus, gliding joint, leg, talus