Lewis & Short

2. ēgressus, ūs, m. [egredior], a going out or away (class.).

  1. I. Lit.
    1. A. In gen., egress, departure.
      1. 1. In abstr.: frequentia sua vestrum egressum (sc. in provinciam) ornando, * Cic. Pis. 13 fin.: Caesar rarus egressu, Tac. A. 15, 53.
        In plur., Sall. J. 35, 5 Kritz; Tac. A. 3, 33; 11, 12; id. Or. 6; Ov. F. 1, 138.
        Of birds, a flying out, flight, Ov. M. 11, 748; Col. 8, 8, 1.
      2. 2. In concreto: per tenebrosum et sordidum egressum extraho Gitona, Petr. 91, 3.
        In plur., Tac. A. 16, 10; and poet. of the mouths of the Ister, Ov. Tr. 2, 189.
    2. B. In partic. (acc. to egredior, I. A. 2. b.), a disembarking, going ashore, landing, Caes. B. G. 5, 8, 3; id. B. C. 3, 23, 1; Auct. B. Afr. 3 fin.
  2. II. Trop., in rhet. lang. = egressio, II., a digression in speaking, Quint. 4, 3, 12; cf.: libero egressu memorare, to narrate with freedom in digression, Tac. A. 4, 32.