D defs.my
Entry 2 senses Webster, 1913

Trisect

· Tri·sect · IPA
01 v. t. To cut or divide into three parts.
imp. & p. p. Trisected; p. pr. & vb. n. Trisecting
  1. 1.
    To cut or divide into three parts.
  2. 2.
    To cut or divide into three equal parts.(Geom.)