fallback: Meaning and Definition of
fall•back
Pronunciation: (fôl'bak"), [key] — n.
- an act or instance of falling back.
- something or someone to turn or return to, esp. for help or as an alternative: His teaching experience would be a fallback if the business failed.
—adj. - of or designating something kept in reserve or as an alternative: The negotiators agreed on a fallback position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.