*אֲיָירָא, (אור; cmp. יְאֹר esp. Job XXVIII, 10; v. H. Dict. s. v.) channel, duct. Y. M. Kat. I, 80ᵇ bot. א׳ דציפורין וכ׳ the duct of Zepph. was damaged during the festive week.