DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   reservoir
       n 1: a large or extra supply of something; "a reservoir of
            talent"
       2: lake used to store water for community use [syn: reservoir,
          artificial lake, man-made lake]
       3: tank used for collecting and storing a liquid (as water or
          oil)
       4: anything (a person or animal or plant or substance) in which
          an infectious agent normally lives and multiplies; "an
          infectious agent depends on a reservoir for its survival"
          [syn: reservoir, source]