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.
/trichoÂ·tilÂ·loÂ·maÂ·nia/ (-tilâ³o-maÂ´ne-ah) compulsive pulling out of one's hair. trichotillomania. n. A psychiatric disorder characterized by the compulsive plucking out of hairs from one's own body, especially from the scalp, eyebrows, or eyelashes.