hijack

Short definition from Wiktionary

Verb

1. 1
   To forcibly seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat).
2. 2
   To seize control of some process or resource to achieve a purpose other than its originally intended one.
3. 3
   To introduce an amendment deleting the contents of a bill and inserting entirely new provisions.

Noun

1. 1
   An instance of hijacking; the illegal seizure of a vehicle; a hijacking.
2. 2
   An instance of a seizure and redirection of a process.
3. 3
   An amendment which deletes the contents of a bill and inserts entirely new provisions.
4. 4
   Preflop, the position two before the dealer.
5. 5
   A highwayman, robber.