| 单词 | plumb | 
| 释义 | plumb   (plŭm) n. 1.  A weight on the end of a line, used to determine water depth. 2.  A weight on the end of a line, used especially by masons and carpenters to establish a true vertical. adv. 1.  In a vertical or perpendicular line. 2.  Informal   Directly; squarely: fell plumb in the middle of the puddle. 3.  also  plum Informal   Utterly; completely: plumb worn out. right adj. 1.  Exactly vertical. See Synonyms at  vertical. 2.  also  plum Informal   Utter; absolute; sheer: a plumb fool. v.  plumbed, plumb·ing, plumbs  v.tr. 1.  To determine the depth of with a plumb; sound. 2.  To test the verticality or alignment of with a plumb. 3.  To straighten or make perpendicular: plumb up the wall. 4.  To examine closely or deeply; probe: "Shallow ideas are plumbed and discarded" (Gilbert Highet). 5.  To seal with lead. 6.  To outfit with or connect to a plumbing system: plumbed the utility closet so a washing machine could be installed. v.intr.Idiom:  To work as a plumber.  off/out of plumb  Not vertical. [Middle English, lead, a plumb, from Old French plomb, from Latin plumbum, lead.] plumba·ble adj. plumbness n. | 
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