The Collaborative International Dictionary of English v.0.48:

Lyceum \Ly*ce"um\, n.; pl. E. Lyceums, L. Lycea. [L. lyceum,
   Gr. ?, so named after the neighboring temple of ? ? Apollo
   the wolf slayer, prob. fr. ? belonging to a wolf, fr ? wolf.
   See Wolf.]
   1. A place of exercise with covered walks, in the suburbs of
      Athens, where Aristotle taught philosophy.
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   2. A house or apartment appropriated to instruction by
      lectures or disquisitions.
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   3. A higher school, in Europe, which prepares youths for the
      university.
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   4. An association for debate and literary improvement.
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