defroster

noun de·frost·er \ di-ˈfrȯ-stər , ˈdē-ˌfrȯ- \
|Updated on: 12 Jun 2018

Definition of defroster

plural defrosters
: a person or thing that defrosts something
  • She was a cook. I was an opener of cans, a defroster of TV dinners.
  • —Bernie Schiffer
especially : a device or system designed to heat a window or windshield of a vehicle for the purpose of removing accumulated ice or moisture
  • The rear window defroster worked well in the center, but it needs more grid lines for full coverage.
  • Consumer Reports
  • Their breath fogged the windshield immediately, and Gus slowed to a crawl on the winding street, reaching down to adjust the wipers and the defroster.
  • —Frank Conroy

First Known Use of defroster

1903

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Seen and Heard

What made you want to look up defroster? 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

to hasten

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!