Meaning of descension

de•scen•sion

Pronunciation: (di-sen'shun), [key]
— n.
  1. the part of the zodiac in which the influence of a planet is weakest. Cf. exaltation (def. 6).
  2. descent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.