Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

concŭbĭtus, ūs, m. [concubo].

  1. I. A lying together; in gen. (very rare), for sleeping. Varr. L. L. 7, § 78 Müll.; at dinner, reclining, Prop. 4 (5), 8, 36 (cf. concubo, I.): dentium, a firm, close shutting together of the teeth, Cael. Aur. Acut. 2, 10; 3, 6.
    Far more freq.,
  2. II. Copulation, coition (in sing. and plur.): ficti (deorum) cum humano genere concubitus, Cic. N. D. 1, 16, 42; so Liv. 4, 2, 6; Ov. M. 4, 207; 6, 541 al.; * Hor. A. P. 398; Suet. Aug. 94; id. Tib. 44: concubitusque tuos furtim, Tib. 2, 5, 53.
    Of animals, Verg. E. 6, 50; id. G. 3, 130; Col. 8, 15, 7 al.

(con-cŭbo, are, needlessly assumed by some as present for the perf. tenses of concumbo, q. v.)

con-cumbo, cŭbŭi, cŭbĭtum, 3, v. n.

  1. I. Lit., to lie together, lie in numbers (very rare): Evandri profugae concubuere boves, Prop. 4 (5), 1, 4.
  2. II. To lie with (for sexual intercourse).
    1. A. In tempp. pres. (rare).
          1. (α) With dat.: Cinyrae. Ov. M. 10, 338.
          2. (β) Absol.: concumbunt Graece, Juv. 6, 191: dicet … quibus verbis concumbat quaeque, id. 6, 406: mulier oppressa concumbenti nullā voluntate consenserit, Aug. Civ. Dei, 1, 19.
    2. B. In tempp. perf. (referred by some to a present concubo, which is not found).
          1. (α) With cum: num aiunt (Eam) tecum post duobus concubuisse mensibus, Ter. Hec. 3, 3, 33; Cic. Fat. 13, 30: cum viro, id. Inv. 1, 29, 44: cum matre, Ov. M. 7, 386: cum vestris viris, id. A. A. 3, 522; Dig. 1, 6, 6.
          2. (β) With dat.: Egeriam justo concubuisse Numae, Ov. Am. 2, 17, 18: nudae deae, Prop. 2 (3), 15, 16.