Liberal Dictionary English Dictionary
doubletree [duhb-uh l-tree] ExamplesWord Origin noun
- a pivoted bar with a whiffletree attached to each end, used in harnessing two horses abreast.
Origin of doubletree 1840–50, Americanism; modeled on singletree Examples from the Web for doubletree Historical Examples of doubletree
The doubletree served as a lever on which to mount two singletrees.
John T. Schlebecker
Three horses drew the plow, which has three singletrees and one doubletree.
John T. Schlebecker
The arms of the tongue are connected by a crossbar, to which the doubletree is pivoted by a hammer bolt.
Scientific American, Vol. XXXVII.–No. 2. [New Series.], July 14, 1877
Various
Across the doubletree behind them hung the limp form of their driver, a great, gaping wound in his head.
George Barr McCutcheon
British Dictionary definitions for doubletree doubletree noun
- a horizontal pivoted bar on a vehicle to the ends of which swingletrees are attached for harnessing two horses side by side