The Collaborative International Dictionary of English v.0.48:

Intercept \In`ter*cept"\, v. t. [imp. & p. p. Intercepted; p.
   pr. & vb. n. Intercepting.] [L. interceptus, p. p. of
   intercipere to intercept; inter between + capere to take,
   seize: cf. F. intercepter. See Capable.]
   [1913 Webster]
   1. To take or seize by the way, or before arrival at the
      destined place; to cause to stop on the passage; as, to
      intercept a letter; a telegram will intercept him at
      Paris.
      [1913 Webster]

            God will shortly intercept your breath. --Joye.
      [1913 Webster]

   2. To obstruct or interrupt the progress of; to stop; to
      hinder or oppose; as, to intercept the current of a river.
      [1913 Webster]

            Who intercepts me in my expedition?   --Shak.
      [1913 Webster]

            We must meet first, and intercept his course.
                                                  --Dryden.
      [1913 Webster]

   3. To interrupt communication with, or progress toward; to
      cut off, as the destination; to blockade.
      [1913 Webster]

            While storms vindictive intercept the shore. --Pope.
      [1913 Webster]

   4. (Math.) To include between; as, that part of the line
      which is intercepted between the points A and B.

   5. To overhear or view (a communication or message intended
      for another), without hindering its passage; as, to
      intercept a telephone call.
      [PJC]

   6. (Sports) To catch and take possession of (a ball passed
      between members of an opposing team); as, the back
      intercepted the pass and ran the ball back for a
      touchdown.
      [PJC]

   Syn: To cut off; stop; catch; seize; obstruct.
        [1913 Webster]