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B-movie

American  
[bee-moo-vee] / ˈbiˌmu vi /

noun

  1. a low-budget movie made especially to accompany a major feature film on a double bill.


B-movie British  

noun

  1. a film originally made (esp in Hollywood in the 1940s and 50s) as a supporting film, now often considered as a genre in its own right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 & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of B-movie

First recorded in 1945–50