Christmas
HOLIDAY ORIGINATING IN CHRISTIANITY, USUALLY DECEMBER 25
Christmas day; Chrismas; Crismas; Cristmas; Christmass; Crissmas; Christ's Mass; Chrimbo; Chirstma; Chirstmas; Nativity of the Lord; Feast of the Nativity; Christmas spirit; Christmas Day; Christmas in the United States (1946–1964); Christmas in baby boomer America; Christmas in the United States, for children of the baby boom era; Christmas in the United States, post-War; Christmas in the United States during the post-War years; Christ mas; Christ Mass; Orthodox Christmas; Christmas Mass; Christian Christmas; Christmas in the post-War United States; Chisrtmas; Date of Christmas; Christmas (United States); First Day of Christmas; Christmases; Calculation hypothesis; Quartodecimal; Solemnity of the Nativity of the Lord; Christmas in the post-war United States; Christmas in the United States (1946-1964); Cristesmæsse; History of Christmas; Jesus' Birthday; Christ's Birthday; Birthday of Christ; Birthday of Jesus; Christ's birthday; Jesus' birthday; Eastern Orthodox Christmas
·noun An annual church festival (December 25) and in some States a legal holiday, in memory of the birth of Christ, often celebrated by a particular church service, and also by special gifts, greetings, and hospitality.