A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.
Learn more about A to Z GIS
GIS Dictionary
Browse dictionary
equator
URL copiedShare URL
[geodesy]
The imaginary circle around the earth that is equidistant from the north and south poles; the zero parallel (0°) used as the reference from which latitude north and south are measured.