'Phreatic' definitions:

Definition of 'phreatic'

(from WordNet)
adjective
Of or relating to ground water

Definition of 'Phreatic'

From: GCIDE
  • Phreatic \Phre*at"ic\, a. [F. phr['e]atique, from Gr. ?, ?, a well.] (Geol.) Subterranean; -- applied to sources supplying wells. [1913 Webster] Phrenetic