1. [n]  an isotonic solution of sodium chloride and distilled water
2. [adj]  containing salt; "a saline solution"; "salty tears"

SALINE is a 6 letter word that starts with S.

1. \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.
   
   2. Of the quality of salt; salty; as, a saline taste.
   
   

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

3. \Sal"ine\, n.
   1. (Chem.) A crude potash obtained from beet-root residues
      and other similar sources. [Written also {salin}.]
   
   2. (Med. Chem.) A metallic salt; esp., a salt of potassium,
      sodium, lithium, or magnesium, used in medicine.