plumb
adj : exactly vertical; "the tower of Pisa is far out of plumb
n : the metal bob of a plumb line [syn: {plumb bob}, {plummet}]
adv 1: (slang) completely; used as intensifiers; "clean forgot the
appointment"; "I'm plumb (or plum) tuckered out" [syn:
{clean}, {plum}]
2: conforming to the direction of a plumb line
3: (informal) exactly; "fell plumb in the middle of the puddle"
[syn: {plum}]
v 1: measure the depth of something
2: weight with lead
3: adjust with a plumb line so as to make vertical