名詞 mortise-joint:

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