adjective
- having ten angles or ten sides; relating to or shaped like a decagon
Usage: geometry; technical
Examples
- The architect designed a decagonal tower with ten equal sides.
- A decagonal polygon has ten vertices and ten edges.
- The garden was laid out in a decagonal pattern.
- Each decagonal section of the floor was tiled in a different color.
- The decagonal shape provided an interesting alternative to the traditional square layout.