Lewis Short
dĭārĭum (noun N) : dies.
* A daily allowance of food or pay (so only in the plur.), Cic. Att. 8, 14; Hor. Ep. 1, 14, 40; Sen. Contr. 4, 27 fin.; cf. Charis. p. 21 P.— *
* A diary, journal: diarium, quam Graeci ἐφημερίδα vocant, Asel. ap. Gell. 5, 18, 8; cf. Isid. Or. 1, 43, 1.
Charlton T. Lewis, Charles Short, A Latin Dictionary