Definitions:

1. A surveying instrument often used for rapid measurements from a fixed location. NOUN
   • Modern tacheometers are often equipped with digital displays for greater accuracy in readings.
2. A type of surveying instrument used to measure distances, elevations, and angles quickly, often without using a tape. NOUN
   • The surveyor used a tacheometer to map the terrain efficiently.

Synonyms:

• surveying theodolite
• tachymeter