: a person or thing that defrosts something
: a device or system designed to heat a window or windshield of a vehicle for the purpose of removing accumulated ice or moisture
- She was a cook. I was an opener of cans, a defroster of TV dinners.
- —Bernie Schiffer
- 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