1 Monica (given name) 2  Monica (singer), R&B singer. 3  Monica (actress), an Indian film actress.  Saint Monica, mother of Augustine.
Definition of triangulation for English Language Learners. : a method of finding a distance or location by measuring the distance between two points whose exact location is known and then measuring the angles between each point and a third unknown point.
See also. 1  Disparity. 2  Lutz Kelker bias. 3  Parallax mapping, in computer graphics. 4  Parallax scrolling, in computer graphics. 5  Refraction, a visually similar principle caused by water, etc. 6  Spectroscopic parallax. 7  Triangulation, wherein a point is calculated given its angles from other known points.