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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.

Instead of using traditional railroad couplers or magnets to attach cars, the cars use their motors to stay connected.

From Los Angeles Times

A company rule bars towing waybill locomotives without such couplers, the report said.

From Seattle Times

The transit system has rebuilt much of the “coupler” system, and it began slowly phasing in the cars in October.

From Washington Post

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

The coupler involved in the 2018 separation had a bolt that was the wrong size, Metro Chief Safety Officer Theresa Impastato said last year.

From Washington Post