| 单词 | castor |
| 释义 | castor 1. n. (also caster) 1. a small swivelled wheel (often one of a set) fixed to a leg (or the underside) of a piece of furniture. 2. a small container with holes in the top for sprinkling the contents. Phrases and idioms castor action swivelling of vehicle wheels to ensure stability. castor sugar finely granulated white sugar. Etymology: orig. a var. of CASTER (in the general sense) 2. n. an oily substance secreted by beavers and used in medicine and perfumes. Etymology: F or L f. Gk kastor beaver |
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