say it: KRI-smuhs
christmas is a noun meaning "period extending from Dec. 24 to Jan. 6". It carries 2 recorded senses.
period extending from Dec. 24 to Jan. 6
a Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for christmas come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.