Penetrabilis, & hoc penetrabile, pe. cor. Virg.That may pierce or be pierced: penetrable.Corpus nullo penetrabile telo.Ouid.A bodie that will bee pierced with no weapon.Frigus penetrabile.Virg.Piercing colde.Fulmen penetrabile Ouid.Piercing lightning.Pectos nulli penetrabile ferro.Stat.Telum penetrabile.Ouid.That will quickly pierce.
Lewis and Short: Latin dictionary
pĕnĕtrābĭlis, e, adj. [penetro]. I.Pass., that can be pierced or penetrated, penetrable (poet. and in post-Aug. prose): corpus nullo penetrabile telo, Ov. M. 12, 166: cum sit nulli penetrabilis, Sen. Const. Sap. 3: pectus ferro, Stat. Th. 2, 653: terra, Just. 4, 1, 2: caput haud penetrabile Nili,
inaccessible
, Stat. S. 3, 5, 21.—II.Act., piercing, penetrating (poet. and in post-class. prose): Boreae penetrabile frigus, Verg. G. 1, 93: telum, id. A. 10, 481: harundo, Sil. 7, 649: fulmen, Ov. M. 13, 857: vinum penetrabilius in venas, Macr. 7, 12: querimonia, Gell. 10, 3, 4.—Comp.: sermo Dei est penetrabilior omni gladio ancipiti, Vulg. Heb. 4, 12.—III. = penetralis (late Lat.): ad regni penetrabilia, Laurent. Hom. 1.