Meaning of double boiler

dou'ble boil'er

Pronunciation: [key]
  1. a utensil consisting of two pots, one of which fits partway into the other: water is boiled in the lower pot to cook or warm food or melt a substance in the upper.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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