exedra

[Bailey]

ex·e·dra (ks-dr, k-s-)
n.
1. A usually curved outdoor bench with a high back.
2. An often semicircular portico with seats that was used in ancient Greece and Rome as a place for discussions.



[Latin, from Greek : ex-, ex- + hedr, seat; see sed- in Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2003. Published by Houghton Mifflin Company. All rights reserved.

mark non-linear-headache Bailey

[Perry]

What can I add. You already worked the headache angle. (Although what angle is a semicircular portico?)