It has nine angles and nine sides

• Its internal angles total 1,260 degrees
• Nine-sided figure
• Shape of a Bahai temple
• Shape whose interior angles total 1,260 degrees
• A nine-sided polygon
• Shape with one more side than a stop sign
• Odd-shaped figure
• Shape of all Baha'i Faith temples

Wiktionary Word definitions in Wiktionary
n. (context geometry English) A polygon with nine sides and nine angles.