E-vĕc'tion, n.

(-vĕk'shun), n. [Lat. evection, from evehere, to carry out, from e, out, and vehere, to carry; Fr. évection.]

1. The act of carrying out, up, or away; hence, a lifting or extolling; exaltation. [Obs.] Pearson.
2. (Astron.) (a.) An inequality of the moon’s motion in its orbit, due to the attraction of the sun, by which the equation of the center is diminished at the syzigies, and increased at the quadratures by about 1° 20′. (b.) The libration of the moon. Whewell.