אוּדְיָינִי, (ידי, נדי) whatever appertains to irrigation, sprinkling arrangements; hence the field cistern with its purtenances. B. Bath. 144ᵃ (Ms. אִידְיָנִי, אִידְיָי׳; v. Rashi a. l.) if a father left nothing אלא א׳ וכ׳ but a sprinkling business, what is earned with it belongs to all heirs alike. Ib. שאני א׳ דלנטירותא וכ׳ it is different with a sprinkling business, since all the attendance it requires, is watching (which minors can do just as well as adults). [Tossaf. ib. Var. אידווני, watching pedestal, fr. דוי q. v. Cmp. however אוּדְנָא III.—M. Kat. 21ᵃ, read אוּרְיָינִי.]