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Meaning of sea grape

sea' grape"

Pronunciation: [key]
  1. a tropical American tree, Coccoloba uvifera, of the buckwheat family, bearing grapelike clusters of edible purple berries.
  2. the fruit itself.
  3. a gulfweed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.