nounπShareA polygon with three sides and three angles."The construction paper shape was a triangle. "mathfigureChat with AIVocabulary GamePractice Reading
nounπShareA set square."My geometry teacher used a triangle to demonstrate how to measure angles. "stationerymathChat with AIVocabulary GamePractice Reading
nounπShareA percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound."The music teacher brought out the triangle and demonstrated how to play it. "musicutensilChat with AIVocabulary GamePractice Reading
nounπShare(cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played."The cue sports player carefully used the triangle to arrange the balls for the next game. "sportgameutensilChat with AIVocabulary GamePractice Reading
nounπShareA love triangle."Sarah's love triangle with Tom and David is making school difficult for her. "familyChat with AIVocabulary GamePractice Reading
nounπShare(systemics) The structure of systems composed with three interrelated objects."The triangle of my family β my mother, father, and me β has been under a lot of stress lately. "structuresystemmathChat with AIVocabulary GamePractice Reading
nounπShareA draughtsman's square in the form of a right-angled triangle."The architect used a triangle to ensure the right angle in the corner of the new room. "stationerymathtechnicalChat with AIVocabulary GamePractice Reading
nounπShareA frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment."The village elders used a triangle to punish the disobedient children. "historylawChat with AIVocabulary GamePractice Reading
nounπShareAny of various large papilionid butterflies of the genus Graphium."The butterfly expert identified the large, colorful butterfly as a triangle. "animalinsectChat with AIVocabulary GamePractice Reading
nounπShareA triangular formation of railway tracks, with a curve on at least one side."The train tracks formed a triangle, with a gentle curve on the right side. "technicalvehicletrafficstructureChat with AIVocabulary GamePractice Reading