Recent Examples of plumb line from the Web
Thankfully the technology used today has advanced beyond dangling plumb lines over the side of the ship.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plumb line.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
PLUMB LINE Defined for English Language Learners
Definition of plumb line for English Language Learners
: a tool that consists of a small, heavy object attached to a string or rope and that is used especially to see if something (such as a wall) is perfectly vertical
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