rōrātĭo
ōnis, f.
I.
a falling of dew, dew.
I.
Lit., Vitr. 8, 2, 2.—In plur.: nocturnae, App. M. 9, p. 232, 6.—
II.
Transf.
A.
The falling off of the grape in consequence of a cold dew (a disease of the grapes), Plin. 17, 24, 37, § 226.—
B.
A dropping in the clepsydra, Cassiod. Var. 1, 48.