B-movie
[ bee-moo-vee ]
/ ˈbiˌmu vi /
noun
a low-budget movie made especially to accompany a major feature film on a double bill.
Also called
B-picture.
British Dictionary definitions for b movie
B-movie
noun
a film originally made (esp in Hollywood in the 1940s and 50s) as a supporting film, now often considered as a genre in its own right