ἀκουστήριον

τό
A. lecture-hall, Gal. Libr.Propr. 2, Them. Or. 2.26c.
2. assembly of hearers, audience, Porph. Plot. 15.

Text: Perseus Digital Library, CC BY-SA 3.0

Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project