HIJACK
hijack, highjack
(noun) seizure of a vehicle in transit either to rob it or divert it to an alternate destination
commandeer, hijack, highjack, pirate
(verb) take arbitrarily or by force; “The Cubans commandeered the plane and flew it to Miami”
hijack
(verb) seize control of; “they hijacked the judicial process”
Source: WordNet® 3.1
Etymology
Verb
hijack (third-person singular simple present hijacks, present participle hijacking, simple past and past participle hijacked)
To forcibly stop and seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat).
To seize control of some process or resource to achieve a purpose other than its originally intended one.
(computing) To seize control of a networked computer by means of infecting it with a worm or other malware, thereby turning it into a zombie.
(computing) To change software settings without a user's knowledge so as to force that user to visit a certain web site (to hijack a browser).
(politics) To introduce an amendment deleting the contents of a bill and inserting entirely new provisions.
Noun
hijack (plural hijacks)
An instance of hijacking; the illegal seizure of a vehicle; a hijacking.
An instance of a seizure and redirection of a process.
(politics) An amendment which deletes the contents of a bill and inserts entirely new provisions.
(poker slang) Preflop, the position two before the dealer.
Source: Wiktionary