trig point

See also: trigpoint

English

Etymology

< triangulation point

Noun

trig point (plural trig points)

1. (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.
2. 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