knuckle
中文来自 ECDICT
- n.
- 指节，蹄爪，膝关节
- v.
- 以指节打，以手指射
演变路径（由近及远）
词源说明
From Middle English knokel (“finger joint”), from Old English cnucel (“the juncture of two bones; knuckle; joint”), from Proto-West Germanic *knukil, from Proto-Germanic *knukilaz (“knuckle, knot, bump”), as *knukô (“bone, joint”) + *-ilaz (diminutive suffix). Cognate with Dutch knokkel (“knuckle”), Low German Knökel (“knuckle”), German Knöchel (“ankle, knuckle”), Old Norse knykill. More at knock.
释义（英文）
名词 Noun
- Any of the joints between the bones of the fingers.
- (by extension) A mechanical joint.
- (sports, billiards, snooker, pool) The curved part of the cushion at the entrance to the pockets on a cue sports