Decembernoun [ C or U ]uk /dɪˈsem.bər/ us /dɪˈsem.bɚ/ written abbreviation Dec.
We went to Mexico on 12 December.
- They're getting married in December.
- Her birthday is in December.
(Definition of “December” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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