The Collaborative International Dictionary of English v.0.48:

blucher \blu"cher\, bluchers \blu"chers\(bl[=u]"k[~e]r), n.
   A kind of half boot, or high shoe, with laces over the
   tongue; -- named from the Prussian general Bl["u]cher.
   --Thackeray.
   [1913 Webster]