The Collaborative International Dictionary of English v.0.48:

Bilocation \Bi`lo*ca"tion\, n. [Pref. bi- + location.]
   Double location; the state or power of being in two places at
   the same instant; -- a miraculous power attributed to some of
   the saints. --Tylor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bilocation
    n 1: the ability (said of certain Roman Catholic saints) to
         exist simultaneously in two locations