trig point

See also: trigpoint

English

Etymology

< triangulation point

Noun

trig point (plural trig points)

(Britain) A fixed pillar with a metal housing for a theodolite on the top of a high point in the landscape; originally used for making Ordnance Survey maps.
Any fixed structure that marks a measuring point used in triangulation

Synonyms

triangulation pillar
triangulation station
trigonometrical point

Translations

fixed pillar for a theodolite

Finnish: kolmiopiste

Scottish Gaelic: carragh-triantanachaidh

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