three-foldPronunciation: (thrē'fōld"), [key]
a unit of stage scenery consisting of three flats hinged together.
three•foldPronunciation: (thrē'fōld"), [key]
comprising three parts, members, or aspects; triple: a threefold program.
three times as great or as much; treble: a threefold return on an investment.
in threefold manner or measure; trebly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.