'''Hijack''' is a verb originally meaning to stop and rob, or seize control of a moving vehicle. The definition has been expanded to include aircraft (sometimes known as '''''skyjacking''''').<ref>http://www.thefreedictionary.com/hijack</ref>
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'''Hijack''' is a verb originally meaning to stop and rob, or seize control of a moving vehicle. The definition has been expanded to include aircraft (sometimes known as '''''skyjacking''''').<ref>http://www.thefreedictionary.com/hijack</ref> For ships, piracy is still the generally accepted term.
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Hijacking may also refers to types of swindle or extortion, particularly on the [[internet]] where domains and IP addresses may be usurped from their rightful owners, or surfers are directed to bogus addresses.