שַׁיְיכָא, (preced.) [attachment,] knob in the wine cask with a small orifice made for testing the flavor, or to prevent bursting, bung. Ab. Zar. 69ᵇ (Ar. שיכא, Var. שֵׁיבָא fr. שְׁאֵב; Tosaf. l. c. שִׁיבָּא chip, plug with which the orifice is stopped).