Definition of intercepting:
(v) :
(transitive) To stop, deflect or divert (something in progress or motion).
(v) :
(transitive, sports) To gain possession of (the ball) in a ball game.
(v) :
(transitive, American football) Of a defensive player: to steal a pass thrown by the opposing team, gaining possession of the ball.
(v) :
To perform an aeronautical action in which a fighter approaches a suspicious aircraft to escort it away from a prohibited area, or approaches an enemy aircraft to shoot it down.
(n) :
An interception of a radio broadcast or a telephone call.
(n) :
An interception of a missile.