trisectPronunciation: /trʌɪˈsɛkt/Definition of trisect verb [with object] divide (something) into three parts, typically three equal parts: two walls trisect the galleryDerivatives trisection noun trisector noun Origin: late 17th century: from tri- 'three' + Latin sect- 'divided, cut' (from the verb secare)trisect in other Oxford dictionaries Definition of trisect in the US English dictionary
