WordNet (r) 3.0 (2006):
hijack n 1: seizure of a vehicle in transit either to rob it or divert it to an alternate destination [syn: hijack, highjack] v 1: take arbitrarily or by force; "The Cubans commandeered the plane and flew it to Miami" [syn: commandeer, hijack, highjack, pirate] 2: seize control of; "they hijacked the judicial process"