1. (noun)
December, Dec
- the last (12th) month of the year Synonyms: celestial latitude, declination
2. (noun)
declination, celestial latitude, dec
- (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 Synonyms: dec, fall, descent, declination, celestial latitude, declension, declivity, regrets, decline, downslope