Lewis & Short

con-densus, a, um, adj., very dense, close, thick (mostly poet.; most freq. in Lucr.; not in Cic.): condensa contextaque magis (corpora), Lucr. 4, 57: condensa atque arta nubila, id. 6, 466; cf. id. 6, 102: conciliatu, id. 1, 575; 2, 100: agmine, id. 1, 606: acies, Liv. 26, 5, 13: puppes litore, Verg. A. 8, 497: columbae, id. ib. 2, 516: arbor, Plin. 10, 73, 94, § 202; cf.: vallis arboribus, thickly covered, Liv. 25, 39, 1: condensi ruunt, Sil. 14, 639: arma, id. 1, 365.