noun
- plural of octagon; eight-sided polygons
Usage: geometry
Examples
- The stop signs are shaped like red octagons.
- We studied various polygons including triangles, squares, and octagons.
- The architect designed windows in the shape of octagons.
- Regular octagons have eight equal sides and eight equal angles.
- The students drew octagons using rulers and protractors.
- Many gazebos are built with octagonal floor plans.