| 单词 | ferrule |
| 释义 | ferrule /fer"euhl, -oohl/, n. , v. , ferruled, ferruling. n. 1. a ring or cap, usually of metal, put around the end of a post, cane, or the like, to prevent splitting. 2. a short metal sleeve for strengthening a tool handle at the end holding the tool. 3. a bushing or adapter holding the end of a tube and inserted into a hole in a plate in order to make a tight fit, used in boilers, condensers, etc. 4. a short ring for reinforcing or decreasing the interior diameter of the end of a tube. 5. a short plumbing fitting, covered at its outer end and caulked or otherwise fixed to a branch from a pipe so that it can be removed to give access to the interior of the pipe. 6. Angling. a. either of two fittings on the end of a section of a sectional fishing rod, one fitting serving as a plug and the other as a socket for fastening the sections together. b. one of two or more small rings spaced along the top of a casting rod to hold and guide the line. v.t. 7. to furnish with a ferrule. Also, ferule. [1605-15; alter. (appar. conformed to L ferrum iron, -ULE) of verrel, verril, late ME virole < MF (c. ML virola) < L viriola, equiv. to viri(a) bracelet + -ola -OLE1] |
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