Meaning of tremolant

trem•o•lant

Pronunciation: (trem'u-lunt), [key]
— adj.
  1. having a tremulous or vibrating tone, as certain pipes of an organ.
—n.
  1. an organ pipe producing a tremolant tone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.