Definition of Bank on

Babylon English Dictionary
count on, depend on, rely on
Search Dictionary
Bank on Definition from Language, Idioms & Slang Dictionaries & Glossaries
ENGLISH IDIOMS 2.EDITION
be sure of, count on You can bank on them to come and help the company.
English Idioms WM 1.3a
depend on, count on 
We were banking on more sales to pay for our marketing costs.