coupler.
Someone who couples things together, especially someone whose job it is to couple railway carriages.
Meaning & usage
Someone who couples things together, especially someone whose job it is to couple railway carriages.
Anything that serves to couple things together; but especially a device that couples railway carriages.
A device that connects two keyboards of an organ together so that they play together.
A device used to convert electronic information into audible sound signals for transmission over telephone lines.
An electrical device used to transfer energy from one electric device to another, especially without a physical connection.
Where this word comes from
Etymology tree English couple Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English coupler From couple + -er.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.