Definition of "Christmas" proper noun countable and uncountable , plural Christmases or Christmasses
verb third-person singular simple present Christmases or Christmasses , present participle Christmasing or Christmassing , simple past and past participle Christmased or Christmassed
(intransitive) To spend Christmas in some place . quotations examples
Quotations Mr . Danby never omitted his annual visits to Penlyon Place . He Christmassed there , and he Eastered there , and he knew the owner of the fine old Tudor house inside and out , his vices and his virtues , his weaknesses , and his prejudices .
1894, M[ary] E[lizabeth] Braddon, “Prologue”, in The Christmas Hirelings, London: Simpkin, Marshall, Hamilton, Kent & Co. Limited […], page 20
Christmasing in Khartoum , writing in his Cairo study about the Al Azhar University , overseeing the publication of learned articles about Moslem medievalism , attending conferences and tea parties hosted by his former AUB students , feted constantly in many an Arab capital , and filling up his diary with descriptions of the bazaars of Lucknow and the exotic birds of Asia , Dodge was reaping the bounty of a life devoted to the Arabs and Moslem culture .
1993, Robert D[avid] Kaplan, The Arabists: The Romance of an American Elite, The Free Press, page 80