triangles

noun
  1. 1

    A polygon with three sides and three angles.

  2. 2

    A set square.

  3. 3

    A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.

  4. 4

    (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.

  5. 5

    A love triangle.

  6. 6

    (systemics) The structure of systems composed with three interrelated objects.

  7. 7

    A draughtsman's square in the form of a right-angled triangle.

  8. 8

    A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.

  9. 9

    Any of various large papilionid butterflies of the genus Graphium.

  10. 10

    A triangular formation of railway tracks, with a curve on at least one side.

    syn:wye

Source: https://en.wiktionary.org/wiki/triangle, https://en.wiktionary.org/wiki/triangles