triangle

  1. Proper noun.  The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive.
  2. Noun.  (geometry) A polygon with three sides and three angles.
  3. Noun.  (music) 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. Noun.  (context, cue sports) A triangular shaped piece of equipment used for gathering the balls into the formation required by the game being played.
  5. Noun.  A love triangle.
  6. Noun.  (context, systemics) The structure of systems composed with three interrelated objects.

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This entry was last updated on RefTopia from its source on 3/20/2012.