Christ·mas 
/ˈkrɪsməs/ noun
plural Christ·mas·es /ˈkrɪsməs/ noun : a Christian holiday that is celebrated on December 25 in honor of the birth of Jesus Christ or the period of time that comes before and after this holiday [noncount] ▪ We're spending Christmas with my parents. [count] ▪ We had a very happy Christmas this year. ▪ I wish you all a merry Christmas. — often used before another noun ▪ a Christmas present ▪ She finished her Christmas shopping. ▪ What are you serving for Christmas dinner? ▪ the rush of the Christmas season [=the time of year when people are getting ready for Christmas]
