Dictionary

coupler

noun cou·pler \ˈkə-p(ə-)lər\

Definition of COUPLER

1
:  one that couples
2
:  a contrivance on a keyboard instrument by which keyboards or keys are connected to play together

First Known Use of COUPLER

1552
July 06, 2015
categorical Hear it
absolute or relating to a category
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears