- December, Dec - the last (12th) month of the year
--1 is a kind of Gregorian calendar month
--1 is a part of Gregorian calendar, New Style calendar; winter, wintertime
--1 has parts:New Year's Eve, December 31; Christmas, Christmas Day, Xmas, Dec 25; Christmas, Christmastide, Christmastime, Yule, Yuletide, Noel; mid-December - declination, celestial latitude, DEC - (astronomy) the angular distance to a point on a celestial object measured north or south from the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
--2 is a kind of angular distance