PLUMB LINE


Meaning of PLUMB LINE in English

Function: noun

Date: 15th century

1 : a line (as of cord) that has at one end a weight (as a plumb bob) and is used especially to determine verticality

2 : a line directed to the center of gravity of the earth : a vertical line

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.