D defs.my
Entry 2 senses Webster, 1913

Triangulate

· Tri·an·gu·late · IPA /tɹaɪˈæŋɡjəleɪt/
01 v. t. To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured.
imp. & p. p. Triangulated; p. pr. & vb. n. Triangulating
  1. 1.
    To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured.
  2. 2.
    To make triangular, or three-cornered.