I.caution, precaution.
I. In gen.: “si minus cum curā aut cautelā locus loquendi lectus est,” Plaut. Mil. 3, 1, 6 dub. (bracketed by Brix); App. M. 2, p. 117, 7; 5, p. 160, 36.—
II. Esp., in the jurists, = cautio, a surety, security, Dig. 3, 3, 15; 13, 7, 6; 16, 3, 14.