What does the word luster mean?

Usage examples for luster

  1. It was faded now, and its luster was almost gone, but as often as he looked upon it, it brought to mind the bright head it once adorned, and the fearful hour when he became its owner. – Bad Hugh by Mary Jane Holmes
  2. What she said he did not know; his lack- luster gaze met hers. – A Man and His Money by Frederic Stewart Isham
  3. He was proud of his wife, and quite as proud, perhaps, of the necklace that had conferred added luster to his noble house for generations. – The Extraordinary Adventures of Arsene Lupin, Gentleman-Burglar by Maurice Leblanc