Meaning of passage grave

pas'sage grave"

Pronunciation: [key]
— Archaeol. Archaeol.
  1. a megalithic tomb of the Neolithic and Copper or early Bronze ages found in the British Isles and Europe, consisting of a roofed burial chamber and narrow entrance passage covered by a round mound and containing human remains and funerary offerings. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.