Definition of trig point noun from the Oxford Advanced Learner's Dictionary


trig point

BrE BrE//ˈtrɪɡ pɔɪnt//
; NAmE NAmE//ˈtrɪɡ pɔɪnt//
(also triangulation point) (specialist)
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a position on a high place used as a reference point, especially by people who make and use maps. It is usually marked on the ground by a short stone pillar. Word Originmid 19th cent.: abbreviation of trigonometrical point.