אִירָא, (אור, cmp. חור) white substance, undyed wool or cotton. Sabb. 11ᵇ; (Tosef. ib. I, 8 missing). Ib. 79ᵃ דוגמא לא׳ a sample color for the wool (given to the dyer).—Pl. אִירִין. B. Kam. 119ᵇ, the remnants of wool in the hands of the dyer. [R. Hanan. reads אִידָּא q. v.] [Tosef. Kel. B. Bath. I, 4 אִירָה; Kel. XXI, 1 עִירָה.]