bootleg
Concise Oxford English Dictionary © 2008 Oxford University Press:
bootleg/ˈbuːtleɡ/
▶adjective (of alcoholic drink or a recording) made or distributed illegally. ▶noun an illegal musical recording.
– derivatives
bootlegger noun,
bootlegging noun.
bootlegger noun,
bootlegging noun.
– origin C19: from the smugglers' practice of hiding bottles in their boots.
'bootleg' also found in these Oxford entries:

