One entry found for declination.

Main Entry: dec·li·na·tion
Pronunciation: dek-l-n-shn
Function: noun
1 : angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles <the declination of a star>
2 : a bending downward : INCLINATION
3 : the angle that the magnetic needle makes with a true north and south line