intransitive. Astronomy. Of the moon's nodes (node, n. 4a), an orbital point, etc.: to exhibit retrograde motion. Cf. retrograde, v. 3a.

intransitive. To go backwards (literal and figurative), to retrograde.

Astronomy and Astrology. intransitive. Esp. of a planet: to proceed in the opposite direction to the sun around the ecliptic, i.e. from east to…