ˌgōnēˈäməd.ə(r) noun
Etymology: goni- + -meter
1. : an instrument for measuring angles (as in surveying, anthropometry, or mineralogy)
2.
a. : a mutual inductor with a rotatable secondary coil connected to one or more antennas
b. : direction finder
3. : an instrument with which the range of motion in a joint is measured