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.
Demarcation is the act of creating a boundary around a place or thing. Demarcation may also refer to: Demarcation line, a temporary border between the countries. Demarcation problem, the question of which practices of doing science permit the resulting theories to lie within the boundaries of knowledge.