'Interception' definitions:

Definition of 'interception'

From: WordNet
noun
The act of intercepting; preventing something from proceeding or arriving; "he resorted to the interception of his daughter's letters"; "he claimed that the interception of one missile by another would be impossible"
noun
(American football) the act of catching a football by a player on the opposing team

Definition of 'Interception'

From: GCIDE
  • Interception \In`ter*cep"tion\, n. [L. interceptio a taking away: cf. F. interception.] The act of intercepting; as, interception of a letter; interception of the enemy. [1913 Webster]