| 单词 | plumb |
| 释义 | plumb 1. n., adv., adj., & v. --n a ball of lead or other heavy material, esp. one attached to the end of a line for finding the depth of water or determining the vertical on an upright surface. --adv 1. exactly (plumb in the centre). 2. vertically. 3. US sl. quite, utterly (plumb crazy). --adj 1. vertical. 2. downright, sheer (plumb nonsense). 3. Cricket (of the wicket) level, true. --vtr. 1. a measure the depth of (water) with a plumb. b determine (a depth). 2. test (an upright surface) to determine the vertical. 3. reach or experience in extremes (plumb the depths of fear). 4. learn in detail the facts about (a matter). Phrases and idioms out of plumb not vertical. plumb-line a line with a plumb attached. plumb-rule a mason's plumb-line attached to a board. Etymology: ME, prob. ult. f. L plumbum lead, assim. to OF plomb lead 2. v. 1. tr. provide (a building or room etc.) with plumbing. 2. tr. (often foll. by in) fit as part of a plumbing system. 3. intr. work as a plumber. Etymology: back-form. f. PLUMBER |
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