From Longman Dictionary of Contemporary Englishknock somebody/something ↔ over phrasal verb1 HIT/BUMP INTOto hit someone with a vehicle while you are driving, so that they are hurt or killed A woman was knocked over by a bus last year.2 American English informalSTEAL to rob a place such as a shop or bank and threaten or attack the people who work there → knock→ See Verb table