louver

noun lou·ver \ ˈlü-vər \
variants: or louvre

Definition of louver

1 : a roof lantern or turret often with slatted apertures for escape of smoke or admission of light in a medieval building
2 a : an opening provided with one or more slanted fixed or movable fins to allow flow of air but to exclude rain or sun or to provide privacy
b : a finned or vaned device for controlling a flow of air or the radiation of light
c : a fin or shutter of a louver

louvered

or less commonly louvred play \ˈlü-vərd\ adjective

Recent Examples of louver from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'louver.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of louver

Middle English lover, from Anglo-French


LOUVER Defined for English Language Learners

louver

noun

Definition of louver for English Language Learners

  • : an opening in a door or window that has one or more slanted strips to allow air to flow in and out while keeping out rain and sun

  • : one of the slanted strips of a louver



Seen and Heard

What made you want to look up louver? 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!

WORD OF THE DAY

of or relating to dancing

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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