Noun
An instrument used in land surveying that combines electronic and optical equipment to evaluate an area's location, features, and topography. [1]
An optical surveyor's instrument that combines a transit and an electronic distance measuring device. A total station calculates angles and distances for surveyed objects. [2]
An electronic survey instrument that combines a theodolite and distance meter. Machine-mounted targets can be robotically measured by total stations to provide very accurate positioning data in real time [3]
Source: en.wiktionary.org