BACKSIGHT


Meaning of BACKSIGHT in English

ˈ ̷ ̷ˌ ̷ ̷ noun

1. surveying : a reading of the leveling rod in its unchanged position when the leveling instrument has been taken to a new position

2. surveying : a sight directed backward to a previous station

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.