Meaning of backshore

back•shore

Pronunciation: (bak'shôr", -shōr"), [key]
— n. Geol.
  1. the zone of the shore or beach above the high-water line, acted upon only by severe storms or exceptionally high tides.
  2. the area immediately adjacent to a sea cliff.
  3. berm (def. 3).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.