Dictionary.com
Thesaurus.com

trig point

British  

noun

  1. Also called (Austral and NZ): trig.  an informal name for triangulation station

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trig point

from trigonometric

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A large crowd had gathered around the trig point at the summit of Wales' highest mountain and cheered Sir Chris as he reached the top.

From BBC