A species of skink, Emoia nativitatis, native to Christmas Island.

Gecarcoidea natalis, a land crab endemic to Christmas Island and Cocos (Keeling) Islands in the Indian Ocean.

plural of Christmas Island red crab

A traditional greeting for Christmas and the new year.

(simile, colloquial) Alternative form of like turkeys voting for Christmas

(informal, simile) Richly or gaudily clothed or ornamented.

(informal, simile) Very brightly lit.

Synonym of if wishes were horses, beggars would ride

The Twelve Days of Christmas; the period from Christmas Day to Epiphany. / The Christmas season.

Less common spelling of Christmassy