Pumex, pumicis, pen. cor. m. g. Virg. Plin. A pumish stone vsed to make Parchment sinooth.Aridus pumex. Plin. Asper. Sidonius. Cauus.Virg. Exesus. Ouid.Larebrosus.Virg.A pumish stone with many holes in it.Leuis.Virg. Mordax. Ouid.Multicauus.Ouid.Niueo de pumice fontes. Claud. Scaber. Sidonius. Spongiosus pumex. Plin. Viuus. Ouid.Aequata pumice omnia. Catul. All things polished & madetrimme and smooth.Nec fragili geminæ poliantur pumice frontes.Ouid.
Pumico, cas, pen. cor. câre. Tibull. To polishe: to make smooth with a pumish.
Lewis and Short: Latin dictionary
pūmex, ĭcis, m. (fem., Cat. 1, 2). I.Lit., a pumice-stone, Plin. 36, 21, 42, 154; used for smoothing books, Cat. 1, 2; 22, 6; Hor. Ep. 1, 20, 2; Ov. Tr. 1, 1, 11; Mart. 8, 72, 2; hence poet., of verses carefully smoothed, i. e. polished, Prop. 3 (4), 1, 8; used by the effeminate for smoothing the skin, Ov. A. A. 1, 506; Mart. 14, 205; Juv. 8, 16.—Prov.: aquam a pumice postulare, to try to draw blood from a stone, i. e. to demand money from one who has none, Plaut. Pers. 1, 1, 42; cf. as an image of dryness: pumex non aeque est aridus atque hic est senex, id. Aul. 2, 4, 8.—II.Poet., transf., soft stone, porous rock of any kind, Ov. M. 3, 159; 8, 561; id. F. 2, 315; Verg. G. 4, 44; id. A. 5, 214.—B. In gen., a rock: quae nunc oppositis debilitat pumicibus mare, Hor. C. 1, 11, 5.