单词 | knurl |
释义 | knurl /nerrl/, n. 1. a small ridge or bead, esp. one of a series, as on a button for decoration or on the edge of a thumbscrew to assist in obtaining a firm grip. 2. a knur. v.t. 3. to make knurls or ridges on. Also, nurl. [1600-10; earlier knurle (n.). See KNUR, -LE] |
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