Definition of "lightings" [lightings]

• Plural form of lighting. (noun)

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• "But during the holidays, Mr. Heroy is a NYC Santa , making appearances at tree lightings, office parties, fund-raisers and restaurants."
• "How they blend the lightings with the natural light in the room isbrilliant."
• "The park service says the tradition dates to 1923 when President Calvin Coolidge held the first of what have become annual National Christmas tree lightings."