名詞 hijack:

1. seizure of a vehicle in transit either to rob it or divert it to an alternate destination
   同義詞：highjack

動詞 hijack:

1. take arbitrarily or by force
   同義詞：commandeer, highjack, pirate
2. seize control of

1. The plane is hijacked by six armed terrorists.
   該飛機(jī)被6個武裝的恐怖主義者所劫持。
2. There is no sign of a let-up in the hijack crisis.
   綁架危機(jī)毫無緩和跡象。
3. They planned to hijack a plane.
   他們計劃劫持一架飛機(jī)。

hijack 也作 high.jack

v.tr.（及物動詞）
hi.jacked,hi.jack.ing,hi.jacks

To stop and rob (a vehicle in transit).
攔路搶劫（運(yùn)輸途中的交通工具）
To steal (goods) from a vehicle in transit.
從運(yùn)輸途中的交通工具上偷取（貨物）
To seize control of (a moving vehicle) by use of force, especially in order to reach an alternate destination.
以武力控制（正在運(yùn)行中的交通工具），尤指到達(dá)另一個目的地

To steal from as if by hijacking.
劫持：（象攔路搶劫似的）偷竊
To swindle or subject to extortion.
詐騙或欺騙，欺詐
n.（名詞）
The act or an instance of hijacking.
劫持行為

來源：
Probably back-formation from highjacker
可能源自 highjacker的逆成詞
perhaps from jacker [holdup man]
可能源自 jacker [ 阻攔]
from jack [to jacklight]
源自 jack[劫持]

【引伸】
hi.jack.er
n.（名詞）