English noun: plumb line | |||
1. | plumb line (artifact) 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 | ||
Synonyms | perpendicular | ||
Broader (hypernym) | cord | ||
Narrower (hyponym) | lead line, plumb rule, sounding line | ||
Part holonym | plumb, plumb bob, plummet | ||