- Not vertical.
- not vertical
Other Word Forms of Plumb
Idioms, Phrasal Verbs Related to Plumb
- out of plumb
Origin of Plumb
Middle English lead, a plumb from Old French plomb from Latin plumbum lead
From American Heritage Dictionary of the English Language, 5th Edition
From Old French *plombe, from Latin plumba (plural of plumbum).
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