1. a polygon having three sides — compare spherical triangle
2a. a percussion instrument consisting of a rod of steel bent into the form of a triangle open at one angle and sounded by striking with a small metal rod b. a drafting instrument consisting of a thin flat right-angled triangle of wood or plastic with acute angles of 45 degrees or of 30 degrees and 60 degrees
3. a situation in which one member of a couple is involved in a love affair with a third person
First Known Use: 14th century
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Examples of triangle in a Sentence
She cut the sandwiches into triangles .
Recent Examples of triangle from the Web
Hey, Phil Jackson: How did that triangle offense work out for the Knicks?
What kind of shape is a triangle offense that doesn’t produce?
Already, the Knicks are benefiting from leaving behind the triangle offense, an often perplexing system that, along with players such as Michael Jordan and Shaq, propelled Jackson to a fist full of championship rings.
Knicks owner Jim Dolan finally pulled the plug on the triangle offense, dumping president of basketball operations Phil Jackson on Wednesday morning.
Cut the watermelon into 1/2-inch-thick triangles and cut off the rinds.
Melissa Ponder: For sure. Peter Van Sant And a love triangle can create a motive for murder.
The monument had been dedicated by the veteran group in May 2015, featuring symbols from all six branches of military service, as well as an upside down triangle — a universal symbol for the lesbian, gay, bisexual and transgender community.
As in Breathless, there’d be abrupt shifts in tone; and, as in Jules and Jim, there’d be a love triangle .
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triangle'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback .