אֵירוּס I, (supposed to be = ἴρις) Erus, a lily with an aromatic root. Kil. V, 8, expl. Y. ib. 30ᵃ bot. אִירְסַיָּה (pl. of אִירְסָא, v. P. Sm. s. v.). Tosef. ib. III, 13. Ohol. VIII, 1.