The Collaborative International Dictionary of English v.0.48:

Saline \Sa"line\ (? or ?; 277), a. [F. salin, fr. L. sal salt:
   cf. L. salinae salt works, salinum saltcellar. See Salt.]
   1. Consisting of salt, or containing salt; as, saline
      particles; saline substances; a saline cathartic.
      [1913 Webster]

   2. Of the quality of salt; salty; as, a saline taste.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Saline \Sa"line\ (? or ?; 277), n. [Cf. F. saline. See Saline,
   a.]
   A salt spring; a place where salt water is collected in the
   earth.
   [1913 Webster]

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]

WordNet (r) 3.0 (2006):

saline
    adj 1: containing salt; "a saline substance "; "salty tears"
    n 1: an isotonic solution of sodium chloride and distilled water
         [syn: saline solution, saline]