Lewis & Short

Laurentum, i, n., a maritime town in Latium, between Ostia and Lavinium, now Torre Paterno, Mel. 2, 4, 9.
Hence,

  1. A. Laurens, entis, adj.
    1. 1. Of or belonging to Laurentum, Laurentian: Laurens Thybris, Verg. A. 5, 797: arva, id. ib. 7, 661: Turnus, id. ib. 7, 650: ager, Juv. 1, 107; Varr. R. R. 3, 13, 2: castrum, Tib. 2, 5, 49.
      Subst.: Laurens, entis, n., an estate (of the younger Pliny) near Laurentum, Plin. Ep. 2, 17, 1.
      In plur.: Laurentes, um, m., the Laurentines: Laurentum Troumque acies, Verg. A. 12, 137; and of the Laurentes who were incorporated in Lavinium (v. Laurolavinium): Laurentes Lavinates, Symm. Ep. 1, 71; Inscr. ap. Grut. 1101, 8; Inscr. Orell. 2174 sqq.; 3888.
    2. 2. Poet., transf., Roman: bella, Sil. 3, 83: praeda, i. e. that taken by Hannibal, id. 17, 282.
  2. B. Laurentīnus, a, um, adj., Laurentine: litus, Mart. 10, 37: via, Val. Max. 8, 5, 6.
    Subst.: Laurentīnum, i, n. (sc. praedium), the younger Pliny’s estate near Laurentum, Plin. Ep. 2, 17, 1.
  3. * C. Lau-rentĭus, a, um, adj., Laurentian: palus Laurentia, Verg. A. 10, 709.
  4. * D. Lau-rentis, ĭdis, f. adj., Laurentian: Laurentis terra, Enn. ap. Prisc. p. 762 P. (Ann. v. 35 Vahl.).