Triangle

/ˈtraɪæŋɡl/

Meaning & Definition

noun
A polygon with three edges and three vertices.
The architect designed a building in the shape of a triangle.
A geometric figure that has three sides and three angles.
In mathematics, the area of a triangle can be calculated using the formula A = 1/2 * base * height.
A shape formed by connecting three points in a plane.
The traffic sign was shaped like a triangle to indicate a yield.
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.
The percussionist added a triangle to the orchestra to enhance the rhythm.
A situation involving three parties or actors.
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

Slang Meanings

Refers to a complex situation involving three people, often in relationships.
They've got a bit of a triangle going on with their dating life.
To form a trifecta or a quick decision among three options.
Let's triangle this issue and figure it out.