Dictionary.net

• Son of Zeus (Jupiter) and Leto (Latona); god of the sun, divination, medicine, music, poetry, etc.

1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald

• n. A deity worshipped by the Greeks. and Romans ;—the god of the sun, music, and poetry,

1871 - The Cabinet Dictionary of the English Language