trisect verb trans. [trʌɪ'sɛkt] L17.[from TRI- + Latin sect- pa. ppl stem of secare cut, after BISECT.]Cut or divide into three (usu. equal) parts.
■ trisection noun division into three (equal) parts
M17. ■ trisector noun a person who or thing which trisects something
M19. [TahlilGaran] English Dictionary ▲