trisect


tri·sect

transitive verb \ˈtrī-ˌsekt, trī-ˈ\

Definition of TRISECT

:  to divide into three usually equal parts
tri·sec·tion \ˈtrī-ˌsek-shən, trī-ˈ\ noun
tri·sec·tor \ˈtrī-ˌsek-tər, trī-ˈ\ noun

Origin of TRISECT

tri- + intersect
First Known Use: 1695

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