Definition of bust noun from the Oxford Advanced American Dictionary

bust

noun
/bʌst/
 
 
1 (informal) an unexpected visit made by the police in order to arrest people for doing something illegala drug bust2 (used especially when talking about clothes or measurements) a woman's breasts or the measurement around the breasts and backThe dress was too big in the bust.exercises to tone the bust3 a stone or metal model of a person's head, shoulders, and chesta marble bust of Napoleon4 a thing that is not goodAs a show it was a bust.