triangle

Meanings

Plural: triangles

Noun

• a three-sided polygon
• something approximating the shape of a triangle
  • "the coastline of Chile and Argentina and Brazil forms two legs of a triangle"
• a small northern constellation near Perseus between Andromeda and Aries
• any of various triangular drafting instruments used to draw straight lines at specified angles
• a percussion instrument consisting of a metal bar bent in the shape of an open triangle
• A polygon with three sides and three angles.
• A set square.
• 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.
• A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
• A love triangle.
• The structure of systems composed with three interrelated objects.
• A draughtsman's square in the form of a right-angled triangle.
• A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
• Any of various large papilionid butterflies of the genus Graphium.
• A triangular formation of railway tracks, with a curve on at least one side.

Synonyms

bluebottle, love triangle, menage à trois, threeside, triangle, Triangulum, trigon, trilateral, wye, △