Christmas

christ;mas pronunciation: function: noun usage: often attributive etymology: middle english christemasse, from old english cristes m?sse, literally, christ's massdate: before 12th century 1 : a christian feast on december 25 or among some eastern orthodox christians on january 7 that commemorates the birth of christ and is usually observed as a legal holiday2 : christmastide— christ;mas;sy or christ;masy adjective