v. & n.
v.tr. 1 seize control of (a loaded lorry, an aircraft in flight, etc.), esp. to force it to a different destination. 2 seize (goods) in transit. 3 take over (an organization etc.) by force or subterfuge in order to redirect it.
n. an instance of hijacking. hijacker n.
[ 20th c.: orig. unkn. ]