from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To divide into triangles.
  • intransitive verb To survey by triangulation.
  • intransitive verb To make triangular.
  • intransitive verb To measure by using trigonometry.
  • intransitive verb To employ geometric or surveying triangulation.
  • intransitive verb To try to establish a new political position by triangulation.
  • adjective Of or relating to triangles; triangular.
  • adjective Made up of or marked with triangles.

from The Century Dictionary.

  • In zoology, composed of or marked with triangles.
  • To make three-cornered or triangular.
  • In surveying, to divide into triangles; survey by dividing into triangles of which the sides and angles are measured.
  • To determine or observe trigonometrically; study by means of triangulation: as, to triangulate the height of a mountain.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured.
  • transitive verb To make triangular, or three-cornered.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb to locate by means of triangulation
  • verb to pit two others against each other in order to achieve a desired outcome or to gain an advantage; to "play both ends against the middle"

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb divide into triangles or give a triangular form to
  • verb measure by using trigonometry
  • verb survey by triangulation
  • adjective composed of or marked with triangles


Sorry, no etymologies found.



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