חִיָּיא, (abbr. of אֲחִיָּה) Ḥiyya, name of several Amoraim. Esp. R. Ḥ. Robah (the elder, רובה, רבא, רבה), the redactor of the Tosefta in conjunction with R. Oshaya. Taan. 21ᵃ. Y. Meg. IV, 74ᵈ bot. Keth. 103ᵇ; a. v. fr.—R. Ḥ. of Sepphoris. Y. Orl. III, 63ᵃ.—R. Ḥ. bar Abba (Ba). Y. Sabb. I, 3ᵃ; a. fr.—R. Ḥ. bar Ada I a. II. Y. Maasr. I, 48ᵈ top; a. fr.—Y. Dem. II, 22ᶜ top; a. fr.; and many more, v. Fr. M’bo, p. 81ᵇ, sq.