Triangulation/traɪˌæŋɡjuˈleɪʃn/ Definition 1 of 5Pro Tip 1/2Geographical Context Used mainly in geography for mapping and navigation. The map was highly accurate thanks to the triangulation of the terrain. Pro Tip 2/2Precision in Location Indicates precise locating by using fixed reference points. To find the treasure, we'll need precise triangulation from these landmarks.