plumb rule

plumb rule

n. A narrow strip of wood with a plumb line hanging from it, used to test verticality.

plumb rule

n (Building) a plumb line attached to a narrow board, used by builders, surveyors, etc

plumb′ rule`

n. a device for determining perpendicularity, consisting of a narrow board with a plumb line hanging from it. [1350–1400]

Thesaurus

Noun

1.

plumb rule - a plumb line attached to a narrow boardplumb line, perpendicular - a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

Translations

archipendoloarchipenzolo