Definition of "reverb"

reverb

/ˈɹiːˌvɜː(ɹ)b/

noun
uncountable
1. (audio effects) An electronic effect which simulates echoes or reverberations in the sound signal being processed.
  Quotations
  The band is starting, something lonesome, off-key, and drowning in reverb.
  2020, Brandon Taylor, Real Life, Daunt Books Originals, page 265
verb
third-person singular simple present reverbs, present participle reverbing, simple past and past participle reverbed
1. (obsolete) To echo.
  Quotations
  low sounds Reverb no hollowness
  c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene i]
2. (transitive) To apply a reverb (electronic echo effect) to.
  Quotations
  If the recording is misequalized, overmiked , or poorly reverbed, the C/II will expose these faults.
  1988, High Fidelity - Volume 38, Issue 2, page 28