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Meaning of vistadome

vis•ta•dome

Pronunciation: (vis'tu-dōm"), [key]
— Railroads. Railroads.n.
  1. dome (def. 7).
—adj.
  1. having a vistadome or having cars with vistadomes: a vistadome train.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.