Plural of coupler

regular plural

The plural of coupler is couplers.

Forms of coupler

Another example of up-to-date practice is that all locomotives and rolling stock have automatic couplers.1954 October, 'Boscawen', “The Kowloon-Canton Railway of Today”, in Railway Magazine, page 711
That would only be a cluttersome distraction; instead, visual feedback is limited to indicating which couplers are active.2014, Jonathan Follett, Designing for Emerging Technologies. From the entry cluttersome
However, the extra cost arising from couplers and other components makes such techniques much more expensive than the digital predistortion technique.2010, Ke-Lin Du, M. N. S. Swamy, “Linearization techniques”, in Wireless Communication Systems: From RF Subsystems to 4G Enabling…. From the entry digital predistortion
However, complaints quickly surfaced about the ride quality of the SIG BT41 bogies, which was only cured by the fitting of additional dampers to the bogies and couplers.2022 September 21, Ben Jones, “IC225s: the Electras go gliding on”, in RAIL, number 966, page 40. From the entry damper

noun Someone who couples things together, especially someone whose job it is to couple railway carriages.
noun Anything that serves to couple things together; but especially a device that couples railway carriages.
noun A device that connects two keyboards of an organ together so that they play together.

Adapted from Wiktionary: coupler (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Plural of coupler.” Word.ws, https://word.ws/plural/coupler. Based on Wiktionary, CC BY-SA 4.0.