ex·e·dra (ĕksĭ-drə, ĭk-sē-)
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 exedrā : ex-, ex- + hedrā, seat; see sed- in the Appendix of Indo-European roots.]
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