Definition of "fluid drive" []

• An automotive transmission coupling that provides a smooth start, consisting of two separate turbines that rotate on the same axis in a surrounding liquid, such that the turbine connected to the engine drives the turbine connected to the transmission. Also called fluid clutch. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.