| / English Dictionary |
PLUMB RULE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A plumb line attached to a narrow board
Classified under:
Nouns denoting man-made objects
Hypernyms ("plumb rule" is a kind of...):
perpendicular; 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)
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