Definition of Coupler

1. Noun. A mechanical device that serves to connect the ends of adjacent objects.

Exact synonyms: Coupling
Specialized synonyms: Clevis, Clutch, Fluid Drive, Swivel, Turnbuckle, Universal, Universal Joint
Generic synonyms: Mechanical Device
Derivative terms: Couple, Couple

Definition of Coupler

1. n. One who couples; that which couples, as a link, ring, or shackle, to connect cars.

Definition of Coupler

1. Noun. (rare) Someone who couples things together, especially someone whose job it is to couple railway carriages. ¹

2. Noun. Anything that serves to couple things together; but especially a device that couples railway carriages. ¹

3. Noun. (music) A device that connects two keyboards of an organ together so that they play together. ¹

4. Noun. A device used to convert electronic information into audible sound signals for transmission over telephone lines. ¹

5. Noun. An electrical device used to transfer energy from one electric device to another, especially without a physical connection. ¹

¹ Source:

Definition of Coupler

1. one that couples [n -S] - See also: couples

Lexicographical Neighbors of Coupler

couple on
couple up
coupled beats
coupled pulse
coupled reaction
coupled rhythm
coupled transport
coupler (current term)
coupling defect
coupling factor
coupling factors
coupling interval
coupling phase

Literary usage of Coupler

Below you will find example usage of this term as found in modern and/or classical literature:

1. Organ Registration: A Comprehensive Treatise on the Distinctive Quality of by Everett Ellsworth Truette (1919)
"coupler Cornopean and Gedeckt with 16 ft. coupler Salicional or Viol d'Orchestre and Gedeckt ... coupler Vox Humana and Gedeckt with 16 Oboe and Flute 4 ft. ..."

2. The Car-builder's Dictionary: An Illustrated Vocabulary of Terms which by Master Car-Builders' Association, Matthias Nace Forney, Arthur Mellen Wellington, Leander Garey, Calvin A. Smith (1906)
"The pulling and contact faces of coupler and knuckle must be clean, smooth and at right ... The inspector shall then inspect and gage each coupler as to its ..."

3. The Law of Interstate Commerce and Its Federal Regulation by Frederick Newton Judson (1905)
"coupler equipment under section 2.—The requirement of automatic couplers in section ... The Court said that the Act of Congress forbade the use of a coupler ..."

4. Car Builders' Cyclopedia of American Practice by American Railway Association, Master Car Builders' Association, Mechanical Division, Association of American Railroads (1903)
"The name of the coupler and class of bar must be cast upon the top side of head of bar, ... Each coupler must also have plainly cast upon it the Master Car ..."

5. A Treatise on the Federal Employers' Liability and Safety Appliance Acts by William Wheeler Thornton (1909)
"Insufficient operation of coupler.—The statute does not apply to an instance of insufficient operation of a proper coupler.27 § 147. ..."

6. The Science of Railways by Marshall Monroe Kirkman (1904)
"The coupler here shown is pivoted on the outside of the end sill of the tank by a ... This form of coupler is also made with an elliptic buffing spring. ..."

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