Definition, Meaning & Synonyms
plumb-line
noun
ˈplʌm laɪn
Definition
A plumb-line is a tool used to determine vertical alignment by means of a weight suspended from a string.
Examples
- Each builder used a plumb-line to ensure the walls were perfectly straight.
- Before installing the new shelves, she checked with a plumb-line to confirm their vertical alignment.
Meaning
It refers to both the physical tool and the concept of perfect verticality or direct vertical alignment.
Synonyms
- plumb bob
- vertical line
- lead line
