Tinnitus

n. ringing or whistling or buzzin sound in the ears

Tinnitus (IPA pronunciation: or , from the Latin word for "ringing") is the perception of sound in the human ear in the absence of corresponding external sound(s). Tinnitus can be perceived in one or both ears or in the head. It is usually described as a ringing noise, but in some patients it takes the form of a high pitched whining, buzzing, hissing, humming, or whistling sound, or as ticking, clicking, roaring, "crickets" or "locusts", tunes, songs, or beeping. It has also been described as a "whooshing" sound, as of wind or waves.
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Tinnitus is hearing ringing, buzzing, or other sounds without an external cause. [more]Tinnitus - Community and Resources

Noun
1. a ringing or booming sensation in one or both ears; a symptom of an ear infection or Meniere's disease
(hypernym) symptom

(n.)
A ringing, whistling, or other imaginary noise perceived in the ears; -- called also tinnitus aurium.