Lewis & Short

conjŭgālis, e, adj. [conjunx], relating to marriage, conjugal (prob. not ante-Aug.).

  1. I. Prop.: amor, Tac. A. 11, 4: licentia, id. ib. 11, 27: di, who preside over marriage, id. G. 18; Sen. Thyest. 1103; Aug. Civ. Dei, 6, 9, 3.
        1. b. Esp., faithful: CONIVX, Inscr. Grut. 602, 5; Inscr. Murat. 1296, 8.
  2. II. Transf., of animals: gregem protegere debent galli, Col. 8, 2, 11.
    * Adv.: con-jŭgālĭter, as married persons: vivere, Aug. Ep. 89, 39.