TINNITUS
tinnitus
(noun) a ringing or booming sensation in one or both ears; a symptom of an ear infection or Meniere’s disease
Source: WordNet® 3.1
Etymology
Noun
tinnitus (countable and uncountable, plural tinnituses)
(pathology) The perception of noise, such as a ringing or beating sound, which has no external source.
Synonyms
• acouasm
Source: Wiktionary
Tin*ni"tus, n. Etym: [L., fr. tinnire to jingle.] (Med.)
Definition: A ringing, whistling, or other imaginary noise perceived in the
ears; -- called also tinnitus aurium.
Source: Webster’s Unabridged Dictionary 1913 Edition