Lewis & Short

sē-grĕgo, āvi, ātum, 1 (in tmesi: seque gregari, Lucr. 1, 452), v. a. [grex].

  1. I. To set apart or separate from the flock (very rare): oves segregatas (a capellis), Phaedr. 3, 15, 3: mater Segregat egregiam subolem, Nemes. Cyn. 156 sq.; cf.: Sicut pastor segregat oves ab haedis, Vulg. Matt. 25, 32.
  2. II. In gen. (cf. congrego, II.), to set apart, lay aside, put away; to separate, remove, segregate.
    1. A. Lit., Lucr. 1, 452: exclusit illum a re publicā, distraxit, segregavit scelus ipsius, Cic. Phil. 5, 11, 29: aliquem ab se, Plaut. Capt. 3, 1, 10: non modo non segregandum a numero civium verum etiam adsciscendum, Cic. Arch. 2, 4: aliquem ab aliquo, Plaut. Mil. 4, 6, 17: ne abs te hanc segreges neu deseras, Ter. And. 1, 5, 56: vulgus ab se, id. Heaut. 2, 4, 6; id. Hec. 3, 5, 30; 5, 1, 26; 5, 2, 23; 5, 2, 30; cf.: se ab aliquo, Quint. 1, 2, 20; Plin. 34, 2, 3, § 6; Stat. Th. 12, 184: aliquem e senatu, Plaut. Most. 5, 1, 9: captivis productis segregatisque, separated (the allies and the Romans), Liv. 22, 58.
    2. B. Trop., to separate, remove away from; to divide, etc. (syn.: sepono, sejungo, removeo): spes, opes auxiliaque ab aliquo, Plaut. Capt. 3, 3, 2: ista feritas a communi tamquam humanitatis corpore segreganda est, Cic. Off. 3, 6, 32; cf.: haec (eloquendi vis) nos a vitā immani et ferā segregavit, Cic. N. D. 2, 59, 148: suspicionem et culpam ab se, Plaut. Trin. 1, 2, 42; id. As. 4, 1, 29: virtutem a summo bono, Cic. Fin. 3, 9, 30: civitatis causam a Polyarato, Liv. 45, 22; cf.: publicam causam a privatorum culpā, id. 45, 23: iambum et trochaeum frequentem segregat ab oratore Aristoteles, Cic. de Or. 3, 47, 182: (beata vita) a comitatu pulcherrimo segregata, id. Tusc. 5, 28, 80: cives ore obscena dicta segregent, Att. ap. Non. 357, 16, and 206, 2: sermonem, i. e. to be silent, Plaut. Mil. 3, 1, 61; id. Poen. 1, 2, 136; cf.: ore obscena segregent, Att. ap. Non. 357, 13 (Trag. Rel. v. 511 Rib.): ut segregaret pugnam eorum (Curiatiorum), divide, separate, Liv. 1, 25: a peccatoribus, Vulg. Heb. 7, 26; to set apart for a special work, id. Rom. 1, 1; cf. id. Act. 13, 2.
      Part.: sēgrĕgātus, a, um; comp. segregatior, more isolated, Rufin. Orig. Prin. 1, 1, 7.