Definition of "athenaeum" in English

noun

1. Alternative form of Athenaeum: a temple primarily dedicated to Athena or her Roman equivalent Minerva.

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

3. The reading room or library of such an association; (by extension) any reading room or library.

4. A literary or scientific periodical, especially one similar to the London Athenaeum.