| 单词 | rider |
| 释义 | rider n. 1. a person who rides (esp. a horse). 2. a an additional clause amending or supplementing a document. b Brit. Parl. an addition or amendment to a bill at its third reading. c a corollary. d Brit. a recommendation etc. added to a judicial verdict. 3. Math. a problem arising as a corollary of a theorem etc. 4. a piece in a machine etc. that surmounts or bridges or works on or over others. 5. (in pl.) an additional set of timbers or iron plates strengthening a ship's frame. Derivatives riderless adj. Etymology: OE ridere (as RIDE) |
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