noun
: a surveyor's level designed to be held in the hand and consisting of a telescope with a bubble tube so attached that the position of the bubble can be seen when looking through the telescope
noun
: a surveyor's level designed to be held in the hand and consisting of a telescope with a bubble tube so attached that the position of the bubble can be seen when looking through the telescope
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012