three-sided

Adjective
Synonyms: trilateraltriangular

WordNet 3.0

Adjective (1)

  1. having three sides“a trilateral figure”Synonyms: trilateraltriangular
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Webster's Dictionary (GCIDE)

Three-sided \Three"-sid`ed\, a. Having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp. [1913 Webster]
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