Definition of triangular
1a : of, relating to, or having the form of a triangle a triangular plot of landb : having a triangular base or principal surface a triangular table a triangular pyramid
2a (1) : of, relating to, or involving three elements a triangular agreement (2) of a military group : based primarily on three unitsb : of or relating to a love triangle
triangularityplay \(ˌ)trī-ˌaŋ-gyə-ˈla-rə-tē\ noun
triangularlyplay \trī-ˈaŋ-gyə-lər-lē\ adverb
Recent Examples of triangular from the Web
Lastarria, a triangular barrio partly closed to traffic by Santa Lucía Hill to the west and Parque Forestal to the north, was off my radar.
And some uloborids—the triangle spiders—spin triangular bungee webs.
Turner pointed out a series of triangular wedges in a slope rising 1,000 feet above the road and covered with the stubble of yucca and rabbitbrush.
In the Image Dome, a giant dome covered with triangular mirrors creates a kaleidoscope effect over a background of music that includes children’s chattering, a choir, and a Bach-like organ piece.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triangular'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of triangular
Middle English trianguler, from Late Latin triangularis, from Latin triangulum
First Known Use: 14th century
TRIANGULAR Defined for English Language Learners
Definition of triangular for English Language Learners
: shaped like a triangle
: involving three people, groups, or things
TRIANGULAR Defined for Kids
Definition of triangular for Students
1 : having three angles, sides, or corners a triangular sign
2 : of, relating to, or involving three parts or persons
Seen and Heard
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