surveyor's level

sur·vey·or's level (sr-vrz)

n. pl. surveyors' levels

An instrument having a telescope and attached spirit level mounted on a tripod and rotating around a vertical axis.

Thesaurus

Noun

1.

surveyor's level - surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land Abney level - a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target Dumpy level - a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level spirit level, level - indicator that establishes the horizontal when a bubble is centered in a tube of liquid surveying instrument, surveyor's instrument - an instrument used by surveyors