december(n = noun.time) dec - the last (12th) month of the year;
is a kind of gregorian calendar month
is a part of gregorian calendar, new style calendar
has parts: december 31, new year's eve, christmas, christmas day, dec 25, xmas, christmas, christmastide, christmastime, noel, yule, yuletide, mid-december
december, n. the twelfth month of the year.
Etymology:
ME f. OF decembre f. L December f. decem ten: orig. the tenth month of the Roman year