The Collaborative International Dictionary of English v.0.48:

Misplace \Mis*place"\, v. t. [imp. & p. p. Misplaced; p. pr. &
   vb. n. Misplacing.]
   1. To put in a wrong place; to set or place on an improper or
      unworthy object; as, he misplaced his confidence.
      [1913 Webster]

   2. To place in a location that one does not recall; to
      mislay; to lose.
      [PJC]

WordNet (r) 3.0 (2006):

misplace
    v 1: place (something) where one cannot find it again; "I
         misplaced my eyeglasses" [syn: misplace, mislay,
         lose]
    2: place or position wrongly; put in the wrong position;
       "misplaced modifiers"