exactly vertical: plumb in the center; determine the depth of; experience in extremes: plumb the depths of fear; provide with plumbing; work as a plumber
Not to be confused with:
plum – an oval, fleshy, edible fruit: He stuck in his thumb and pulled out a plum.
plume – a soft, fluffy feather: the plume of an egret; emissions from a stack, flue, or chimney: a plume of smoke
1. a small mass of lead or other heavy material, as that suspended by a line and used to measure the depth of water or to ascertain a vertical line. Compare plumb line.
adj.
2. true according to a plumb line; perpendicular.
3. downright or absolute.
adv.
4. in a perpendicular or vertical direction.
5. exactly, precisely, or directly.
6. completely or absolutely: You're plumb right.
v.t.
7. to test or adjust by a plumb line.
8. to make vertical.
9. to sound with or as if with a plumb line.
10. to measure (depth) by sounding.
11. to examine closely: to plumb the poem's meaning.
12. to seal with lead.
13. to install plumbing in (a house, building, etc.).
v.i.
14. to work as a plumber.
Idioms:
out of or off plumb, not corresponding to the perpendicular; out of true.
bob - a hanging weight, especially a metal ball on a string
plumb line, perpendicular - a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Verb
1.
plumb - measure the depth of something
measure, quantify - express as a number or measure or quantity; "Can you quantify your results?"
plumb - adjust with a plumb line so as to make vertical
adjust, correct, set - alter or regulate so as to achieve accuracy or conform to a standard; "Adjust the clock, please"; "correct the alignment of the front wheels"
Adj.
1.
plumb - exactly vertical; "the tower of Pisa is far out of plumb"
vertical, perpendicular - at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height"
Adv.
1.
plumb - completely; used as intensifiers; "clean forgot the appointment"; "I'm plumb (or plum) tuckered out"
De Lord God Amighty fogive po' ole Jim, kaze he never gwyne to fogive his- self as long's he live!' Oh, she was plumb deef en dumb, Huck, plumb deef en dumb -- en I'd ben a- treat'n her so!"
"And you ask me why I call it a coup d'etat?" Arobin had put on his coat, and he stood before her and asked if his cravat was plumb. She told him it was, looking no higher than the tip of his collar.
This silence was broken by one of the brethren, who led Pierre up to the rug and began reading to him from a manuscript book an explanation of all the figures on it: the sun, the moon, a hammer, a plumb line, a trowel, a rough stone and a squared stone, a pillar, three windows, and so on.
From six in the morning till six at night the hard labour of the prison-house, which rewards the valiance of ships that win the harbour went on steadily, great slings of general cargo swinging over the rail, to drop plumb into the hatchways at the sign of the gangway-tender's hand.
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