triangle
• noun 1 a plane figure with three straight sides and three angles. 2 something in the form of a triangle. 3 a musical instrument consisting of a steel rod bent into a triangle, sounded with a rod. 4 an emotional relationship involving a couple and a third person with whom one of them is involved. — ORIGIN Latin triangulum, from tri- ‘three’ + angulus ‘corner’.
Perform another search of the Compact Oxford English Dictionary
About this dictionary
The Compact Oxford English Dictionary of Current English contains 145,000 words, phrases, and definitions.
Find out more about Oxford's range of English dictionaries
Sign up for the AskOxford Word of the Day
Search the Little Oxford Dictionary of Quotations
Search the Concise Dictionary of First Names
| 
