Dictionary

triangular

adjective tri·an·gu·lar \trī-ˈaŋ-gyə-lər\

: shaped like a triangle

: involving three people, groups, or things

Full Definition of TRIANGULAR

1
a :  of, relating to, or having the form of a triangle <a triangular plot of land>
b :  having a triangular base or principal surface <a triangular table> <a triangular pyramid>
2
a (1) :  of, relating to, or involving three elements <a triangular agreement> (2) of a military group :  based primarily on three units
b :  of or relating to a love triangle
tri·an·gu·lar·i·ty \(ˌ)trī-ˌaŋ-gyə-ˈla-rə-tē\ noun
tri·an·gu·lar·ly \trī-ˈaŋ-gyə-lər-lē\ adverb
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Origin of TRIANGULAR

Middle English trianguler, from Late Latin triangularis, from Latin triangulum
First Known Use: 14th century
TRIANGULAR Defined for Kids

triangular

adjective tri·an·gu·lar \trī-ˈaŋ-gyə-lər\

Definition of TRIANGULAR for Kids

1
:  having three angles, sides, or corners <a triangular sign>
2
:  of, relating to, or involving three parts or persons
Medical Dictionary

triangular

noun tri·an·gu·lar \trī-ˈaŋ-gyə-lər\

Medical Definition of TRIANGULAR

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