Janney coupler

noun Jan·ney coupler \ˈjanē-\

Definition of Janney coupler

  1. :  a device for coupling railroad cars and locomotives invented in the early 1880s and employed in principle in the standard automatic coupler of today

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of janney coupler

after Eli H. Janney †1912 American inventor


Seen and Heard

What made you want to look up Janney coupler? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!