Definify.com
Webster 1913 Edition
Evection
E-vec′tion
.[L.
evectio
a going up, fr. evehere
to carry out; e out
+ vehere
to carry: cf. F évection
.] 1.
The act of carrying up or away; exaltation.
[Obs.]
Bp. 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 syzygies, and increased at the quadratures by about 1° 20´.
(b)
The libration of the moon.
Whewell.
Webster 1828 Edition
Evection
EVEC'TION
,Noun.