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Meaning of Astroturf

As•tro•turf

Pronunciation: (as'tru-tûrf"), [key]
— Trademark. Trademark.
  1. a brand of carpetlike covering made of vinyl and nylon to resemble turf, used for athletic fields, patios, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.