BACKSIGHT


Meaning of BACKSIGHT in English

/bak"suyt'/ , n. Survey.

1. a sight on a previously occupied instrument station.

2. (in leveling) the reading on a rod that is held on a point of known elevation, used in computing the elevation of the instrument.

[ 1840-50; BACK 2 + SIGHT ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .