The Collaborative International Dictionary of English v.0.48:

Angor \An"gor\ ([a^][ng]"g[o^]r), n. [L. See Anger.] >
   1. (Med.) Extreme anxiety. [Obs.]
      [1913 Webster + AS]

   2. (Med) Angina[2].
      [AS]

   3. (Med) Angina pectoris; also called angor pectoris.
      [AS]