GNU Collaborative International Dictionary of English

last match results

Found 4 definitions

1.       
   Plumb (plŭm), n. [F. plomb, L. plumbum lead, a leaden ball or bullet; cf. Gr. μόλυβος, μόλιβος, μόλυβδος.  Cf. Plummet, Plunge.] A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction; a plummet; a plumb bob. See Plumb line, below.
   
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   Plumb bob. See Bob, 4. -- Plumb joint, in sheet-metal work, a lap joint, fastened by solder. -- Plumb level. See under Level. -- Plumb line. (a) The cord by which a plumb bob is suspended; a plummet. (b) A line directed to the center of gravity of the earth. -- Plumb rule, a narrow board with a plumb line, used by builders and carpenters.
   
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2.       
   Plumb, a. Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, “the wall is plumb”.
   
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3.       
   Plumb, adv. In a plumb direction; perpendicularly. “Plumb down he falls.”  Milton.
   
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4.       
   Plumb, v. t. [imp. & p. p. Plumbed (plŭmd); p. pr. & vb. n. Plumbing (plŭmˈĭng).]
   1. To adjust by a plumb line; to cause to be perpendicular; as, “to plumb a building or a wall”.
   
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   2. To sound with a plumb or plummet, as the depth of water; hence, to examine by test; to ascertain the depth, quality, dimension, etc.; to sound; to fathom; to test.
   
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   He did not attempt to plumb his intellect. Ld. Lytton.
   
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   3. To seal with lead; as, “to plumb a drainpipe”.
   
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   4. To supply, as a building, with a system of plumbing.
   
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