Is “Hijacking” a Scrabble word?

1.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).

2.To seize control of some process or resource to achieve a purpose other than its originally intended one.

3.To seize control of a networked computer by means of infecting it with a worm or other malware, thereby turning it into a zombie.

1.The act of one who hijacks; the seizure of vehicles.

2.The instance of such an act; the seizure of a vehicle.