RETROGRADE a. 2 definitions
Apparently moving backward, and contrary to the succession of the signs, that is, from east to west, as a planet. Hutton. And if he be in the west side in that condition, then is he retrograde. Chaucer.
REVOLUTION n.
nt, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface (called a surface of revolution), and a moving surface a solid (called a solid of revolution); as, the revolution of a right-angled triangle about one of its sides generates…
RIG v.
ilver lace. L'Estrange. To rig a purchase, to adapt apparatus so as to get a purchase for moving a weight, as with a lever, tackle, capstan, etc. -- To rig a ship (Naut.), to fit the shrouds, stays, braces, etc., to their respective masts and yards.