Plumb

n.	1.	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. 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.
a.	1.	Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb.
adv.	1.	In a plumb direction; perpendicularly.
v. t.	1.	To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall. [imp. & p. p. Plumbed (plŭmd); p. pr. & vb. n. Plumbing (plŭm"ĭng).]
	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. He did not attempt to plumb his intellect. - Ld. Lytton.
	3.	To seal with lead; as, to plumb a drainpipe.
	4.	To supply, as a building, with a system of plumbing.

Noun	1.	plumb - the metal bob of a plumb line Synonyms: plumb bob, plummet
Verb	1.	plumb - measure the depth of something
	2.	plumb - weight with lead
	3.	plumb - examine thoroughly and in great depth
	4.	plumb - adjust with a plumb line so as to make vertical
Adj.	1.	plumb - exactly vertical; "the tower of Pisa is far out of plumb"
Adv.	1.	plumb - completely; used as intensifiers; "clean forgot the appointment"; "I'm plumb (or plum) tuckered out" Synonyms: clean, plum
	2.	plumb - conforming to the direction of a plumb line
	3.	plumb - exactly; "fell plumb in the middle of the puddle" Synonyms: plum

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