Source : Webster's Revised Unabridged Dictionary (1913)

International \In`ter*na"tion*al\, n. [Cf. F. internationale.]
   1. The International; an abbreviated from of the title of the
      International Workingmen's Association, the name of an
      association, formed in London in 1864, which has for
      object the promotion of the interests of the industrial
      classes of all nations.

   2. A member of the International Association.

International \In`ter*na"tion*al\, a. [Pref. inter- + national:
   cf. F. international.]
   1. Between or among nations; pertaining to the intercourse of
      nations; participated in by two or more nations; common
      to, or affecting, two or more nations.

   2. Of or concerning the association called the International.

   {International code} (Naut.), a common system of signaling
      adopted by nearly all maritime nations, whereby
      communication may be had between vessels at sea.

   {International copyright}. See under {Copyright}.

   {International law}, the rules regulating the mutual
      intercourse of nations. International law is mainly the
      product of the conditions from time to time of
      international intercourse, being drawn from diplomatic
      discussion, textbooks, proof of usage, and from recitals
      in treaties. It is called public when treating of the
      relations of sovereign powers, and private when of the
      relations of persons of different nationalities.
      International law is now, by the better opinion, part of
      the common law of the land. Cf. Conflict of laws, under
      {Conflict}. --Wharton.

Source : WordNet®

International
     n : any of several international socialist organizations