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Synonyms

coupler

American  
[kuhp-ler] / ˈkʌp lər /

noun

  1. a person or thing that couples or links together.

  2. Machinery. a rod or link transmitting force and motion between a rotating part and a rotating or oscillating part.

  3. Also called couplingRailroads. a device for joining pieces of rolling stock.

  4. a device in an organ or harpsichord for connecting keys, manuals, or a manual and pedals, so that they are played together when one is played.

  5. Electricity. a device for transferring electrical energy from one circuit to another, as a transformer that joins parts of a radio apparatus together by induction.

  6. (in color photography) a chemical that reacts with the developer to produce one of the colors in a print or transparency.


coupler British  
/ ˈkʌplə /

noun

  1. a link or rod transmitting power between two rotating mechanisms or a rotating part and a reciprocating part

  2. music a device on an organ or harpsichord connecting two keys, two manuals, etc, so that both may be played at once

  3. electronics a device, such as a transformer, used to couple two or more electrical circuits

  4. Also called (in eg Britain): coupling.  a device for connecting railway cars or trucks together

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of coupler

First recorded in 1545–55; couple + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Their novel architecture involves a circuit that has two fluxonium qubits on either end, with a tunable transmon coupler in the middle to join them together.

From Science Daily • Sep. 25, 2023

The cars weren’t equipped with alignment control couplers that “resist lateral coupler movement under compressive in-train forces.”

From Seattle Times • Mar. 20, 2023

In most instances, crews repaired the breaches using a sleeve-like steel coupler, referred to as a “boot,” to patch over the hole.

From Washington Post • Mar. 2, 2022

There are accessories for high-capacity magazines, banned in California, including a Magpul-brand coupler that holds two 30-round clips of M16 bullets.

From Los Angeles Times • Aug. 7, 2019

Antedating such spectacular post-Civil War advances as the steel rail, automatic coupler, and airbrake, was the invention of the safety truck for locomotives.

From Introduction of the Locomotive Safety Truck Contributions from the Museum of History and Technology: Paper 24 by White, John H.