| knuckle joint | (n) a joint allowing movement in one plane only, Syn. hinge joint |
| knuckle | (n) a joint of a finger when the fist is closed, Syn. knuckle joint, metacarpophalangeal joint |
| 第一関節 | [だいいちかんせつ, daiichikansetsu] (n) first knuckle joint [Add to Longdo] |