Plummet

Piums-rute, or PLumMB- ‘LINE, an instrument used by carpenters, masons, . in order to judge whether walls, . be upright planes, horizontal, or the like, is thus called from a piece of lead, plumbum, fastened to the end of acord, which usually constitutes this instrument. Sometimes the string descends along a wooden ruler, . aised perpendicularly on another; in. which ase it becomes a level, See LEVEL.