A nine-sided polygon

• Nine sided object
• Drama introduces Harry: touching figure!
• A regular one has internal angles of 140 degrees
• Shape of all Baha'i Faith temples
• Shape of a Bahai temple
• It has nine angles and nine sides
• Many-sided figure
• Defective stop sign?

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"plane figure with nine sides," 1680s, a hybrid from Latin nonus "ninth" (see nones ) + ending from pentagon , etc.