1. dividing something into three equal parts
Usage: mathematics; geometry

Examples

• The geometry student practiced trisecting angles with a compass and straightedge.
• Trisecting a line segment requires finding two points that divide it equally.
• The architect was trisecting the building’s facade into three symmetrical sections.
• Ancient mathematicians struggled with the problem of trisecting an arbitrary angle.
• She spent hours trisecting various geometric shapes for her math project.
• The carpenter was trisecting the wooden board to create three equal pieces.