power steering(redirected from Power assist steering)
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a form of steering used on vehicles, where the torque applied to the steering wheel is augmented by engine power
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
power steering[′pau̇·ər ‚stir·iŋ]
A steering control system for a propelled vehicle in which an auxiliary power source assists the driver by providing the major force required to direct the road wheels.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.