B-movie n (Film) a film originally made (esp in Hollywood in the 1940s and 50s) as a supporting film, now often considered as a genre in its own right Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014