1. dec(n = noun.time) december - 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
2. dec(n = noun.location) celestial latitude, declination - (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere;
is a kind of angular distance