Medical Dictionary

mouth breather

play
noun mouth breath·er \-ˌbrē-thər\

Medical Definition of mouth breather

  1. :  a person who breathes mostly through the mouth rather than the nose He suffered from a deviated septum and was a chronic mouth breather.—Michael Chabon, The New Yorker, 8 May 1989


Seen and Heard

What made you want to look up mouth breather? 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!