I. In gen., a concave vessel or basin in the form of a boat (cf. cymbium), Lucr. 6, 1046; Vitr. 8, 1 med.—
II. In partic.
A. A drinking-vessel in the form of a boat, Plaut. Stich. 5, 4, 11; id. Bacch. 1, 1, 37; Cic. Verr. 2, 4, 17, § 37; 2, 4, 24, § 54.—
C. A concave sundial, Mart. Cap. 6, § 597.—
D. The reservoir of a water -clock, Vitr. 9, 8, 5.