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plumb line

noun

1 plumb line

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.

synonym: perpendicular.

Roget 212: verticality; erectness etc. adj.; perpendicularity etc. 216.1; right angle, normal; azimuth circle.    wall, precipice, cliff.    elevation, ... show more

Dutch: lood, meetlood, richtlood, schietlood




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