1. a person or thing that pushes
2. an airplane with its propeller or propellers mounted behind the engine so that it pushes the aircraft forward
: also pusher airplane
3. Us, Slang a person who sells drugs, esp. narcotics, illegally
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.