Wiktionary
defrosters
n. (plural of defroster English)
Usage examples of "defrosters".
Jake’s fingers danced over the controls as he set a new course, adjusted the trim, turned the defrosters onto high, and settled in for a short, rugged run through the narrowing window of safety.
The machine has a heater and defrosters, but he cannot waste battery power on them before the turbine starts.