# trig point

> English word · Noun

## Definitions
1. 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.

## Etymology
Clipping of triangulation point.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/trig-point