Learn how to say Triangulation correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word triangle:
1a plane figure with three straight sides and three angles:
an equilateral triangle
a thing shaped like a triangle:
a small triangle of grass
a musical instrument consisting of a steel rod bent into a triangle and sounded by being struck with a small steel rod.
a frame used to position the pool balls in snooker and pool.
North American a drawing instrument in the form of a right-angled triangle.
(triangles) historical a frame of three halberds joined at the top to which a soldier was bound for flogging.
2 (also eternal triangle) an emotional relationship involving a couple and a third person with whom one of them is also involved.
3a small brownish Eurasian moth of oak and beech woods.
Heterogenea asella, family Limacodidae
late Middle English: from Old French triangle or Latin triangulum, neuter of triangulus ‘three-cornered’ (see tri-, angle1)