ly·ce·um (l
-s

m)
n.
1. A hall in which public lectures, concerts, and similar programs are presented.
2. An organization sponsoring public programs and entertainment.
3. A lycée.
[Latin Lyc
um, from Greek Lukeion, the school outside Athens where Aristotle taught (335-323 b.c.).]
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.