(Plumb), a. Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the
wall is plumb.
(Plumb), adv. In a plumb direction; perpendicularly. "Plumb down he falls." Milton.
(Plumb), v. t. [imp. & p. p. Plumbed (plumd); p. pr. & vb. n. Plumbing ]
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.
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.
(Plumb"age) n. Leadwork [R.]
(Plum*ba"gin) n. [L. plumbago leadwort, fr. plumbum lead; cf. F. plombagin.] (Chem.) A
crystalline substance said to be found in the root of a certain plant of the Leadwort (Plumbago) family.
(Plum`ba*gin"e*ous) a. (Bot.) Pertaining to natural order (Plumbagineæ) of gamopetalous
herbs, of which Plumbago is the type. The order includes also the marsh rosemary, the thrift, and a few
(Plum*bag"i*nous) a. Resembling plumbago; consisting of, or containing, plumbago; as, a
(Plum*ba"go), n. [L., from plumbum lead.]
1. (Min.) Same as Graphite.
2. (Bot.) A genus of herbaceous plants with pretty salver-shaped corollas, usually blue or violet; leadwort.
(Plum"be*an Plum"be*ous) a. [L. plumbeus, from plumbum the metal lead.]
1. Consisting of, or resembling, lead. J. Ellis.
2. Dull; heavy; stupid. [R.] J. P. Smith.
(Plumb"er) n. [F. plombier. See Plumb.] One who works in lead; esp., one who furnishes,
fits, and repairs lead, iron, or glass pipes, and other apparatus for the conveyance of water, gas, or drainage
(Plumb"er block`) A pillow block.