n.
A metal bar connecting the left and right suspension systems at the front or rear of an automobile or a truck, used to stabilize the chassis against sway. Also called anti-roll bar, stabilizer bar, Also called sway bar.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.