declination
     n 1: a condition inferior to an earlier condition; a gradual
          falling off from a better state [syn: {decline}] [ant: {improvement}]
     2: (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 [syn: {celestial
        latitude}, {DEC}]
     3: a downward slope or bend [syn: {descent}, {declivity}, {fall},
         {decline}, {declension}, {downslope}] [ant: {ascent}]
     4: a polite refusal of an invitation [syn: {regrets}]
Source: WordNet® 2.0