rōrātio, ōnis, f. roro, a falling of dew, dew. Lit., Vitr. 8, 2, 2.

—In plur.: nocturnae, App. M. 9, p. 232, 6.

— Transf. The falling off of the grape in consequence of a cold dew (a disease of the grapes), Plin. 17, 24, 37, § 226.

— A dropping in the clepsydra, Cassiod. Var. 1, 48.