Yuletide , n :
(dated) The period of celebration of a pre-Christian festival associated with the (northern) winter solstice, later absorbed into the festival of Christmas. (dated) The period around Christmas; the Christmas season, Christmastime; specifically, Christmas itself. (Australia, regional) The period of southern winter in the middle of the year, sometimes celebrated in the colder, snowy regions of Australia with allusions to Christmas, which originated as a marketing gimmick. Merry Christmas from all of us at the Wiktionary!