plumb
/plʌm/ noun, adjective, adverb, verb, proper noun
Also a form of plum
Forms plumbs plumbing plumbed
- noun A little mass of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction.
- noun (nautical) A weight on the end of a long line, used by sailors to determine the depth of water.
- noun The perpendicular direction or position.
- adjective Truly vertical, as indicated by a plumb line.
- adjective (cricket) Describing an LBW where the batsman is hit on the pads directly in front of their wicket and should be given out.
- adverb In a vertical direction; perpendicularly.
- adverb (informal) Squarely, directly; deeply, completely. “It hit him plumb in the middle of his face.”
- verb To determine the depth, generally of a liquid; to sound.
- verb To attach to a water supply and drain. “The kitchen sink is now plumbed in / up.”
- verb (transitive, figurative) To think about or explore in depth, to get to the bottom of. “to plumb the depths of”
- verb To use a plumb bob as a measuring or aligning tool.
- verb To accurately align vertically or horizontally.
- verb (dated) To seal something with lead.
- verb (intransitive) To work as a plumber.
- verb (rare) To fall or sink like a plummet.
- proper noun A surname.
Synonyms
plummet plumb bob plumb line perpendicular plumber clean plum
Etymology
From Middle English plumbe, plumme, from Old French *plombe, from Latin plumba, plural of plumbum.
Webster’s 1913
- noun 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. Plumb bob. See Bob, 4.
- adjective Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb.
- adverb In a plumb direction; perpendicularly. "Plumb down he falls." Milton.
- verb To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall.
Etymology [F. plomb, L. plumbum lead, a leaden ball or bullet; cf. Gr. Plummet, Plunge.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “plumb”, CC BY-SA 4.0. Details