PLUMB LINE


Meaning of PLUMB LINE in English

noun Date: 15th century a line (as of cord) that has at one end a weight (as a plumb bob) and is used especially to determine verticality, a line directed to the center of gravity of the earth ; a vertical line

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.