Meaning & Definition of word "Triangle"

Triangle

/ˈtraɪæŋɡl/

noun:

  • 1. A polygon with three edges and three vertices.
    • Example: The architect designed a building in the shape of a triangle.
  • 2. A geometric figure that has three sides and three angles.
    • Example: In mathematics, the area of a triangle can be calculated using the formula A = 1/2 * base * height.
  • 3. A shape formed by connecting three points in a plane.
    • Example: The traffic sign was shaped like a triangle to indicate a yield.
  • 4. A musical instrument consisting of a metal bar bent in the shape of a triangle, which is struck with a stick to produce a ringing sound.
    • Example: The percussionist added a triangle to the orchestra to enhance the rhythm.
  • 5. A situation involving three parties or actors.
    • Example: The business deal turned into a triangle of negotiations between the supplier, the distributor, and the retailer.

Etymology

From Middle English triangul, from Old French triangule, from Latin triangulum, from tri- 'three' + angulus 'angle'.

Common Phrases and Expressions

love triangle:

A romantic relationship involving three people.

triangle offense:

A basketball offensive strategy that uses three players to create spacing and options.

triangle trade:

An historic trade route between three ports or regions.

Related Words

trigonometry:

The branch of mathematics dealing with the relationships between the angles and sides of triangles.

triangular:

Having three angles or sides.

triangulate:

To determine the location of a point by forming triangles to it from known points.

Slang Meanings of triangle

Meaning: Refers to a complex situation involving three people, often in relationships.

Example Sentence: They've got a bit of a triangle going on with their dating life.

Meaning: To form a trifecta or a quick decision among three options.

Example Sentence: Let's triangle this issue and figure it out.