Plŭm'met, n.

n. [For plumbet, from plumb, Lat. plumbum; O. Fr. plommet, from plom, plum, N. Fr. plomb, plomet, Sp. plomada. See PLUMB.] 1. A long piece of lead attached to a line, used in sounding the depth of water. I'll sink him deeper than e'er plummet sounded. Shak. The lazy leaden-stepping hours, Whose speed is but the heavy plummet's pace. Milton.

2. An instrument consisting of a piece of lead fastened to a line, and used by carpenters, masons, &c., in adjusting erections to a perpendicular line, and with a square, to determine an horizontal line.
3. Hence, any weight.
4. A piece of lead used by school children to rule their paper for writing.