athenaeum

noun3

1. •
   An association or institution for the advancement of learning, particularly in science or literature.

   • A panel of architects who might loosely be described as the local athenaeum of their profession are awaiting, anxiously, the next edition of the bimonthly journal that bears their names. — 1994
2. •
   The reading room or library of such an association; (by extension) any reading room or library.
3. •
   A literary or scientific periodical, especially one similar to the London Athenaeum.

noun1

1. •
   A temple primarily dedicated to Athena or her Roman equivalent Minerva, especially that of Athens.

   • The Athenaea were built in form of Amphitheatres. — 1728