sissy bar

(redirected from Backrest (motorcycle))

sissy bar

n. Informal
A narrow bar shaped like an inverted U that is attached behind the seat of a motorcycle or bicycle and supports the operator or a passenger.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.