follow Dictionary.com

What's the "een" in Halloween?

coupler

[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 coupling. Railroads. 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.
Origin
1545-1555
1545-55; couple + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for coupler
  • The coupler fractures upon impact at a predetermined scored line in the coupling, releasing the sign post from the ground stub.
  • Duct tape around hose coupler on sewer line is deteriorating.
  • Tape is used possible to secure the coupler to sewer line.
British Dictionary definitions for coupler

coupler

/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.
(US & Canadian) a device for connecting railway cars or trucks together Also called (in eg Britain) coupling
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
Cite This Source

Word of the Day

Difficulty index for coupler

Some English speakers likely know this word

Word Value for coupler

11
15
Scrabble Words With Friends

Quotes with coupler