Oreon, pen. prod. Herba. Plin. Simpliciter montanum signisicat. Plinius sic cognominat genus quoddam Polygoni fœmine. An hear be growing on hils, of some called Sāguinaria.
Orion, orionis, The sonne of Neptunus. Some fayned that when Epinous had lodged Iupiter, Mercurie, and Neptune, and badde killed for them an Ore, hee desited them to graunt him a soune. Then those three pissed in the hydeof the Ore, of the which (beyng laide on the ground) came Oriõ, as it were Vrion. For Ouros in Greeke is vrine, WhÊ Orion being an hunter, woulde haue defloured Oiana, hee was slaine of a scorpion, and translated among the startes, and there is the signe called in latine lugula.
Lewis and Short: Latin dictionary
ŏrēon or ŏrīon, i, n., = o)/reion, a mountain-plant, a kind of polygonos, Plin. 27, 12, 91, 115
Ōrīon (Ŏrīōn, Verg. A. 1, 535; 4, 52), ŏnis and ōnis, m., = *)wri/wn, the constellation Orion, whose rising and setting are attended by storms; acc. to the myth, a hunter transported to heaven, Ov. F. 5, 493; Hyg. Fab. 195; Verg. A. 1, 535; 4, 52; Hor. C. 1, 28, 21; 3, 27, 18; Lact. 4, 5, 21 et saep.