The twelfth and last month of the Gregorian calendar, following November and preceding the January of the following year. / (rare) A female given name from English. / A surname.

plural of December

Any time in the middle of December.

Happening in the middle of December.

In the middle of December.

(historical) The failed uprising (in December 1825) by Russian army officers in an effort to prevent the accession of Nicholas I.

Pertaining to a relationship in which one person is much older than the other.

(astronomy) The moment when the sun reaches the southernmost point of the sky, occurring on December 21–22. That would be winter solstice in the northern hemisphere and summer solstice in the southern hemisphere.

plural of December solstice

Alternative form of May-December