COUPLER

coupling, coupler

(noun) a mechanical device that serves to connect the ends of adjacent objects

Source: WordNet® 3.1

Etymology

Noun

coupler (plural couplers)

(now rare) 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.

(music) 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.

Source: Wiktionary

Coup"ler (kp"lr), n.

Definition: One who couples; that which couples, as a link, ring, or shackle, to connect cars. Coupler of an organ, a contrivance by which any two or more of the ranks of keys, or keys and pedals, are connected so as to act together when the organ is played.

Source: Webster’s Unabridged Dictionary 1913 Edition

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