sa·line 
(sālēn′, -līn′)
(sālēn′, -līn′)adj.
1. Of, relating to, or containing salt; salty.
2. Of or relating to chemical salts.
n.
1. A salt of magnesium or of the alkalis, used in medicine as a cathartic.
2. A saline solution, especially one that is isotonic with blood and is used in medicine and surgery.
[Latin salīnus, from sāl, salt; see sal- in the Appendix of Indo-European roots.]
sa·lini·ty (sə-lĭnĭ-tē) n.