Word Study
trisect
CIDE DICTIONARY
trisect, v. t. [Pref. tri- + L. sectus, p. p. of secare to cut. See Section.].
- To cut or divide into three parts. [1913 Webster]
- To cut or divide into three equal parts. [1913 Webster]
OXFORD DICTIONARY
trisect, v.tr. cut or divide into three (usu. equal) parts.
Derivative
trisection n. trisector n.
Etymology
TRI- + L secare sect- cut
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