WordReference Random House Learner's Dictionary of American English © 2026
Christ•mas /ˈkrɪsməs/USA pronunciation
n. [uncountable* countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Religionthe annual festival of the Christian church commemorating Jesus' birth, celebrated in the Western Church on December 25.
Christ•mas
(kris′məs),USA pronunciation n.
Christ′mas•sy, Christ′mas•y, adj.
- Religionthe annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- ReligionChristmastime.
- ReligionChristmastide.
- bef. 1150; Middle English cristmasse; Old English Cristes mǣsse Mass of Christ