Origin of plumb line
First recorded in 1530–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for plumb line
Will and the Professor were by the ice shaft, watching the plumb-line.Doctor Jones' Picnic
S. E. Chapman
“Maybe you did not use the plumb-line, Master Leo,” observed Jack.
In the game way the stem and stern were measured with a plumb-line.
When I comes to rekillect how an' where he got that 'ere back, it looks to me like a plumb-line.
There is no plumb-line to measure the depths of thy shame, so deep is that abyss.The Valkyries
Edward Frederic Benson
- a string with a metal weight at one end that, when suspended, points directly towards the earth's centre of gravity and so is used to determine verticality, the depth of water, etc
- another name for plumb rule
- A line regarded as directed exactly toward the Earth's center of gravity.
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