sound buoy

sound buoy

[′sau̇nd ‚bȯi]
(navigation)
A buoy equipped with a characteristic sound signal, such as a bell or a whistle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Although Timmins is the artistic driving force of the band, the wonderfully tight band sound buoys the instantly identifiable, often hushed but effortless voice of Margo Timmins.