Definition of December
: the 12th month of the Gregorian calendar
Examples of december in a sentence
Her birthday is in late December.
This December was not as cold as the past few Decembers have been.
Origin and Etymology of december
Middle English Decembre, from Old English or Anglo-French, both from Latin December (tenth month), from decem ten — more at ten
First Known Use: before 12th century
DECEMBER Defined for English Language Learners
Definition of December for English Language Learners
: the 12th and last month of the year
Seen and Heard
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