View synonyms for plumb line

plumb line

noun

a cord with a lead bob attached to one end, used to determine perpendicularity, the depth of water, etc. Compare plumb ( def 1 ).
plumb rule.

plumb line

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
See plumb rule
another name for plumb rule

plumb line

/ plŭm /

First recorded in 1530–40

On either side of this isolated bar of sandstone a plumb-line might have been dropped straight to the level of the river.

Supports of dressed stone truly fixed with the plumb line are perfectly stable of themselves.

Dæd´alus is also mentioned as the inventor of the axe, plumb-line and augur.

Titiens then in a formal manner laid the first brick, using the plumb-line to ascertain that the work had been properly done.

He found a magnetic ridge line running approximately parallel to the line of no deflection of the plumb line.

April 25, 2024firkin

[fur-kin ]

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