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 | ||