|
Definition of Trig point
1. Noun. (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. ¹
¹ Source: wiktionary.com
|
1. Noun. (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. ¹
¹ Source: wiktionary.com