Noun: defroster dee'frós-tu(r) or di'frós-tu(r)- Heater that removes ice or frost (as from a windscreen or a refrigerator or the wings of an aeroplane)
"He turned on the car's defroster to clear the foggy windscreen";
- deicer
Derived forms: defrosters
Type of: heater, warmer
Encyclopedia: Defroster