plumb rule
plumb rule · plumb rules
A narrow board with a plumb line fastened to the top, used to determine a perpendicularA narrow board with a plumb line fastened to the top, used to determine a perpendicular.
Meaning
1 sensesA narrow board with a plumb line fastened to the top, used to determine a perpendicular.
a plumb line attached to a narrow board
Forms
plural: plumb rules| Singular | plumb rule |
|---|---|
| Plural | plumb rules |
regular
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.