The Collaborative International Dictionary of English v.0.48:

Saline \Sal"ine\, n.
   1. (Chem.) A crude potash obtained from beet-root residues
      and other similar sources. [Written also salin.]
      [1913 Webster]

   2. (Med. Chem.) A metallic salt; esp., a salt of potassium,
      sodium, lithium, or magnesium, used in medicine.
      [1913 Webster]
      [1913 Webster]