concubius

concŭbĭus, a, um, adj. [concubo], of or belonging to lying in sleep, or to the time of sleep.

I.

As adj. only in the connection concubiā nocte (rarely: nocte concubiā, nocte in concubiā, noctu concubiā; v. the foll.), at the time of the first sleep, in the first sleep, Sisenn. ap. Non. p. 91, 22 (primi somni, Non.); Cic. Div. 1, 27, 57; Liv. 25, 9, 8; Tac. H. 3, 69; Just. 22, 8, 8:

nocte concubiā,

Tac. A. 1, 39:

nocte in concubiā,

Plin. 29, 6, 34, § 110: noctu concubiā, Enn. ap. Macr. S. 1, 4 (Ann. v. 170 Vahl.).—

II.

As subst.: concŭbĭum, ii, n. (sc. tempus), that part of the night in which the first sleep falls upon men:

si ante lucem occupias... concubium sit noctis prius quam, etc.,

Plaut. Trin. 4, 2, 44:

concubium appellarunt, quod omnes fere tunc cubarent,

Varr. L. L. 6, § 7 Müll.; cf. id. ib. 7, § 78 ib.; Censor. de Die Nat. 24; Macr. S. 1, 3 fin.; Serv. ad Verg. A. 2, 268.—Hence,

B.

= concubitus, coition (perhaps only in the foll. exs.), Enn. ap. Non. p. 342, 23 (Trag. v. 241 Vahl.); Gell. 9, 10, 4.