Lewis & Short

ac-cŭbo (adc.), āre, 1, v. n., t. t. (the forms accubui and accubitum belong to accumbo), to lie near or by a thing.

  1. I. In gen., constr. with dat. or absol.: quoi bini castodes semper accubant, Plaut. Mil. 2, 2, 57: Furiarum maxima juxta accubat, Verg. A. 6, 606: accubantes effodiunt, Plin. 35, 6, 19, § 37.
    Rarely with acc.: lectum, App. M. 5, p. 160.
    Of things: nigrum nemus, Verg. G. 3, 334: cadus (vini), Hor. C. 4, 12, 18.
    Also of places (for adjacere): theatrum Tarpeio monti accubans, Suet. Caes. 44.
    Esp.
  2. II. To recline at table (in the Rom. manner): accubantes in conviviis, Cic. Cat. 2, 5, 10; so, in convivio, Nep. Pel. 3, 2; Cic. Tusc. 3, 23: morem apud majores hunc epularum fuisse, ut deinceps, qui accubarent, canerent ad tibiam, etc., Cic. Tusc. 4, 2, 3; cf.: regulus accubans epulari coepit, Liv. 41, 2, 12; so, absol., Plaut. Stich. 2, 3, 53; Ter. Eun. 4, 5, 2; Suet. Caes. 49 al.: cum aliquo, Plaut. Trin. 2, 4, 72: infra, Liv. 39, 43, 3: contra, Suet. Aug. 98.
    1. B. To lie with, Plaut. Bacch. 1, 1, 39; 3, 3, 50; Suet. Vesp. 21.