Source : Webster's Revised Unabridged Dictionary (1913)

Hydrochloride \Hy`dro*chlo"ride\, n. (Chem.)
   A compound of hydrochloric acid with a base; -- distinguished
   from a chloride, where only chlorine unites with the base.

Source : WordNet®

hydrochloride
     n : a complex consisting of an organic base in association with
         hydrogen chloride