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Alcolock

/ (ˈælkəʊˌlɒk) /
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noun
trademark a breath-alcohol ignition-interlock device, which is fitted to the ignition in certain motor vehicles. The driver must blow into a tube and, if his or her breath contains too much alcohol, a lock is activated to prevent the vehicle starting
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Word Origin for Alcolock

C21: from alco (hol) + lock 1 (sense 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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