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doubletree definition

☆ double·tree (-trē′)

noun

a crossbar on a wagon, carriage, plow, etc., to each end of which the singletrees are attached when two horses are harnessed abreast

Etymology: double + (single)tree

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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