גִּשְׁתָּא ², (preced.; cmp. גָּשׁוֹשָׁא) sounding tube; ג׳ ובת ג׳ a large and small tube, i.e. a siphon. Ab. Zar. 72ᵇ אסיק חמרא בג׳ brought up wine through the siphon. Ib. a gentile came and put his hand אג׳ on the large tube. Ib. אג׳ … גריר, v. גְּרַר.