The Collaborative International Dictionary of English v.0.48:

Aquiferous \A*quif"er*ous\, a. [L. aqua water + -ferous.]
   Consisting or conveying water or a watery fluid; as,
   aquiferous vessels; the aquiferous system.
   [1913 Webster]

WordNet (r) 3.0 (2006):

aquiferous
    adj 1: of or relating to an aquifer