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]

WordNet (r) 3.0 (2006):

Blucher
    n 1: Prussian general who is remembered for his leadership in
         the wars against Napoleon (1742-1819) [syn: Blucher, von
         Blucher, G. L. von Blucher, Gebhard Leberecht von
         Blucher]
    2: a high shoe with laces over the tongue