trig point
Noun
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Noun
trig point (plural trig points)
- (British) 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
- triangulation pillar
- triangulation station
- trigonometrical point
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.002