Tinnitus (noun)

1. A ringing, buzzing, or other noise in the ears, typically caused by damage to the inner ear or exposure to loud noise.
2. A sensation of ringing, buzzing, or other noise in the ears.

Origin:

From the latin word tinnītus, meaning "ringing".

Examples:

1. He had been suffering from tinnitus for years.
2. The loud concert left her with tinnitus for days.
3. The tinnitus was so loud it was hard to sleep.
4. Tinnitus is often caused by exposure to loud noise.
5. Some people find relief from tinnitus by using white noise machines.