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.
A trigraph is a single sound that is represented by three letters, for example: In the word 'match', the three letters 'tch' at the end make only one sound. Other examples of trigraphs are: