• WordNet 3.6
    • n drawbar a strong metal bar bearing a hook to attach something to be pulled
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Webster's Revised Unabridged Dictionary
    • n Drawbar (Railroad) An openmouthed bar at the end of a car, which receives a coupling link and pin by which the car is drawn. It is usually provided with a spring to give elasticity to the connection between the cars of a train.
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Century Dictionary and Cyclopedia
    • n drawbar A bar used to connect two railroad-cars or locomotives. See drag-bar.
    • n drawbar A bar, or one of a set of bars, in a fence, which can be drawn back or let down to allow passage, as along a road or path.
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In literature:

These latter turn horizontally on a central pivot attached to the jaw end of the drawbar.
"Scientific American Supplement, No. 601, July 9, 1887" by Various
The framing of the engine bogie is attached to the hind bogie truck of the carriage by two diagonal drawbars.
"Scientific American Supplement, No. 530, February 27, 1886" by Various
The underframe is provided with spring axle boxes, and also with spring buffers and drawbars.
"Scientific American Supplement, No. 1157, March 5, 1898" by Various
Note that there is no drawbar and that the coupler is merely bolted to the beams.
"The 'Pioneer': Light Passenger Locomotive of 1851" by John H. White
Note that there is no drawbar and that the coupler is merely bolted to the beams.
"Smithsonian Institution - United States National Museum - Bulletin 240" by Anonymous

In news:

If you haven't checked drawbar force in a while, this may be the weak link in your process.
Roll fed, pulled by drawbar with spare roll carrier, 2 x 2 plug.
In a departure from the norm, the Numa Organ 's drawbars are completely smooth, like faders on a mixer, and each is anchored in a slot to reduce side-to-side wiggle.
Then hit calculate and the application will provide an estimate for the required drawbar and PTO horsepower.
Drawbar pull tractors (using gas, diesel, electric, LPG, CNG, and hybrid modes) to the tractor parts that make Harlan tractors last a lifetime.