Wiktionary
winterproof
resistant to the harsh weather conditions of winter. v
(context transitive English) To make resistant to the harsh weather conditions of winter.
Usage examples of "winterproof".
I was away, and the cabin, ashes raked, flue shut, food removed, and bed stripped once more, was as winterproof as I could make it.
The house was toasty warm, hazy from the cigarette smoke sealed into the winterproofed rooms.