trig point
See also: trigpoint
English edit
Alternative forms edit
Etymology edit
Clipping of triangulation point.
Noun edit
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.
Synonyms edit
Translations edit
fixed pillar for a theodolite
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