declination
dec.li.na.tion \.dek-l*-'na--sh*n\ \-'na--shn*l, -sh*n-*l\ n [ME declinacioun, fr. MF declination, fr. L declination-, ]declinatio turning aside, altitude of the pole 1: angular distance north or south from the celestial equator measured alon g a great circle passing through the celestial poles 2: a turning aside or swerving 3: a decline esp. from vigor 4: a bending downward : INCLINATION 5: a formal refusal 6: the angle formed between a magnetic needle and the geographical meridian - dec.li.na.tion.al aj
Webster's English Dictionary