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Meaning of propolis

prop•o•lis

Pronunciation: (prop'u-lis), [key]
— n.
  1. a reddish resinous cement collected by bees from the buds of trees, used to stop up crevices in the hives, strengthen the cells, etc. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.