Definitions of plumb

  1. To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall.
  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.
  3. To seal with lead; as, to plumb a drainpipe.
  4. To supply, as a building, with a system of plumbing.
  5. To straighten: as, to plumb up a wall; make vertical; sound ( the depth of water) by a plummet; test; get to the bottom of; as, to plumb a mystery.
  6. To adjust by a plumb- line: to make perpendicular: to sound the depth of water by a plumbline.
  7. To adjust by a plumb- line.
  8. To test or adjust by a plumbline.
  9. To supply ( a building) with gas, water, and sewerpipes.
  10. adjust with a plumb line so as to make vertical
  11. examine thoroughly and in great depth
  12. measure the depth of something
  13. To adjust by a plumb- line; to set in a perpendicular direction; to sound the depth of water with a plummet.
  14. the metal bob of a plumb line
  15. 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 line, below.
  16. A weight, usually of lead, fastened to a cord and dropped to indicate a vertical line; a similar weight used to find the depth of water.
  17. A mass of lead or other material, hung on a string, to show the perpendicular position.
  18. Leaden ball on a line.
  19. A plummet.
  20. A leaden weight attached to a line, for ascertaining whether anything, as a wall, is perpendicular.
  21. A mass of lead attached to a line, and so hung as to ascertain whether a wall be perpendicular.
  22. ( slang) completely; used as intensifiers; " clean forgot the appointment"; " I'm plumb ( or plum) tuckered out"
  23. conforming to the direction of a plumb line
  24. In a vertical direction.
  25. exactly vertical; " the tower of Pisa is far out of plumb"
  26. completely; used as intensifiers; " clean forgot the appointment"; " I'm plumb ( or plum) tuckered out"
  27. exactly; " fell plumb in the middle of the puddle"
  28. 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.
  29. Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb.
  30. Perpendicular with the horizon; upright.
  31. Perpendicular.
  32. True, accurate, and upright; vertical; perpendicular.
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