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Meaning of illuminator

il•lu•mi•na•tor

Pronunciation: (i-l'mu-nā"tur), [key]
— n.
  1. a person or thing that illuminates.
  2. a device for illuminating, as a light source with a lens or mirror for concentrating light.
  3. a person who paints manuscripts, books, etc., with designs in color, gold, or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.