The Collaborative International Dictionary of English v.0.48:

Sanitary \San"i*ta*ry\, a. [L. sanitas health: cf. F. sanitaire.
   See Sanity.]
   Of or pertaining to health; designed to secure or preserve
   health; relating to the preservation or restoration of
   health; hygienic; as, sanitary regulations. See the Note
   under Sanatory.
   [1913 Webster]

   Sanitary Commission. See under Commission.
      [1913 Webster]