D defs.my
Entry 1 sense Webster, 1913

Tinnitus

/tĭn'-ĭt-əs/ · Tin·ni·tus · IPA /ˈtɪn.ɪ.təs/
01 n. A ringing, whistling, or other imaginary noise perceived in the ears; -- called also tinnitus aurium.
  1. 1.
    A ringing, whistling, or other imaginary noise perceived in the ears; -- called also tinnitus aurium.(Med.) Also: tinnitus aurium