1. 
   Backed in
   A situation where unforeseen events allow for a sale at a premium or a purchase at a discount. Discover What It`s Like to Live Easy With EquiTrend
   Found op http://www.equitrend.com/glossary175.xhtml
   
   
2. 
   Backed In
   A horse whose odds have shortened.[2][6]
   Found op http://en.wikipedia.org/wiki/Glossary_of_Australian_and_New_Zealand_punting
   
   
3. 
   Backed-In
   A horse which is backed-in means that bettors have outlaid a lot of money on that horse, with the result being a decrease in the odds offered.
   Found op http://www.encyclo.co.uk/local/21627
   
   

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