| 单词 | ball-and-socket joint |
| 释义 | ball-and-socket joint /bawl"euhn sok"it/ 1. Also called enarthrosis. Anat., Zool. a joint in which the rounded end of one bone fits into a cuplike end of the other bone, allowing for relatively free rotary motion, as at the hip or shoulder. 2. Also called ball joint. a similar joint between rods, links, pipes, etc., consisting of a ball-like termination on one part held within a concave, spherical socket on the other. [1660-70] |
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