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Meaning of Antarctic Plate

Antarc'tic Plate'

Pronunciation: [key]
  1. a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.