[f. TRIGONOMETRY, on analogy of geometer, and the like.] A person versed in trigonometry; spec. one engaged in a trigonometrical survey.
a. 1852. Macgillivray, Nat. Hist. Dee Side & Braemar (1855), 92. We arrived at the centre of the broad top … seating ourselves on the base of the pyramidal cairn of the Trigonometers.
1902. Westm. Gaz., 10 Nov., 12/2. Kabru is … higher than Aconcagua—its height is,… according to the trigonometers, above 24,000 ft.
