coupler

noun

cou·​pler ˈkə-p(ə-)lər 

1

: one that couples

2

: a contrivance on a keyboard instrument by which keyboards or keys are connected to play together

Examples of coupler in a Sentence

Recent Examples on the Web

Changing these couplers alters how the resonators interact, allowing the same underlying circuit to produce different optical responses. — New Atlas, 19 Aug. 2026

Most of the losses affected the source qubit, which is also allowed to partially enter the coupler. — ArsTechnica, 5 Aug. 2026

Different couplers for different applications Rather than developing a single universal solution, the MIT researchers created multiple optical coupling approaches optimized for different requirements. — Kaif Shaikh, Interesting Engineering, 6 July 2026

The two trains were moved to a yard for further inspection, where damage was found to the couplers of both trains. — Evan Simko-Bednarski, New York Daily News, 15 Apr. 2026

Word History

First Known Use

1552, in the meaning defined at sense 1