deadlight

noun
dead·​light | \ˈded-ˌlīt \

Definition of deadlight 

: a metal cover or shutter fitted to a port to keep out light and water

First Known Use of deadlight

1726, in the meaning defined above

Keep scrolling for more

Learn More about deadlight

Statistics for deadlight

Look-up Popularity

Time Traveler for deadlight

The first known use of deadlight was in 1726

See more words from the same year

More from Merriam-Webster on deadlight

See words that rhyme with deadlight

Comments on deadlight

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

WORD OF THE DAY

by force of circumstances

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

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

TAKE THE QUIZ
Bee Cubed

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!