Definition of trisector in US English:

trisector

noun

  • See trisect

    • ‘Their centers thus lie on the trisectors of the angles adjacent to that line.’
    • ‘We no longer look kindly on angle trisectors and circle squarers.’
    • ‘If the angles of any triangle be trisected, the triangle, formed by the meets of pairs of trisectors, each pair being adjacent to the same side, is equilateral.’
    • ‘Due to the definition of rotation angles, A, B, and C are the intersections of trisectors.’
    • ‘A method to obtain a good approximation to the trisector of an angle by Euclidean construction is also given.’

Pronunciation

trisector

/trīˈsektər//traɪˈsɛktər/