(astrology, obsolete) Motion of a celestial object from one place to another; local motion.
Copernicus placed the Sun at the centre of the Universe, exempt from any sort of lation.
17th century, John Donne, Elegy XI: The Autumnal
Since such love's natural lation is, may still
My love descend, and journey down the hill,
Not panting after growing beauties. So,
I shall ebb on with them who homeward go.