From Longman Dictionary of Contemporary Englishwintertimewin‧ter‧time /ˈwɪntətaɪm $ -ər-/ noun [uncountable] TMCthe time when it is winter → summertimein (the) wintertime The hills look very bleak in wintertime.
Examples from the Corpus
wintertime• During wintertime John Lowson was rarely seen without his hessian sacks.• The car has thermostatically controlled gas heating for wintertime use in the push-pull set.• The overfishing of herring and other fish has caused problems for bird species dependent on these stocks, particularly in wintertime.• Then in wintertime we had a Guild meeting every Tuesday night with various people taking turns to organize it.• In wintertime the spinners gathered together in their cottages to spin and knit the yarn.in (the) wintertime• The overfishing of herring and other fish has caused problems for bird species dependent on these stocks, particularly in wintertime.• Then in wintertime we had a Guild meeting every Tuesday night with various people taking turns to organize it. 