ge|od|e|sy

ge|od|e|sy «jee OD uh see», noun.

1. the branch of applied mathematics dealing with the measurement of the earth and of large areas on the surface of the earth, with the variations in terrestrial gravity, and with the exact position of geographical points.

2. the branch of surveying dealing with such measurements.

╂[< New Latin geodesia < Greek geōdaisíā < gê earth + daíein divide]