An "omnibus bill" refers to a single legislative proposal that combines several unrelated issues or topics into one big bill.
Sentences with «omnibus bill»
This is a government that is fond of putting everything but the kitchen sink in omnibus bills, limiting debate on them, and then passing them without a comma changed. (aec-cea.ca)
Based on past practice, however, we probably won't know the full details until the budget omnibus bill in June. (3dpolicy.ca)
The problematic nature of omnibus bills begins with the difficulty of identifying the principle of the bill. (slaw.ca)