Simple past tense and past participle of winter.(verb)
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Use "wintered" in a sentence
"Then you wintered in Dawson, or came in on the last ice."
"Movements of herds and droves, past, present, and to come, were discussed, as well as the outlook for cultivated hay in far upland pastures and the estimates of such hay that still remained over the winter in remote barns in the sheltered mountain valleys where herds had wintered and been fed."
"We wintered in I8A, lads coming in and going out all the time."