כּוּשׁ I, (cmp. כּוֹס, כִּיס) [something hollow,] reed, esp. reed used as spindle (v. Ar. s. v.); also as fork. Yoma 82ᵃ תוחבין לה כ׳ ברוטב we put for her a reed into the juice (and let her suck it); Tosef. ib. V (IV), 4 (corr. acc.). Sabb. 123ᵃ; Y. ib. XVII, 16ᵇ top, v. כַּרְכָּר. Y. Erub. III, 20ᵈ bot. לתחוב בכ׳ ובקיסם to stick it on a reed or a chip. Kel. IX, 8 מלא כ׳ the size of a reed. Tosef. Kel. B. Mets. VI, 12 בכ׳ בכ׳ הבינוני wherever the size of a reed (or spindle) is mentioned, a middle-sized reed is meant. Kel. IX, 7 כ׳ שבלע את הצנורא a reed in which the iron hook has disappeared. Par. XII, 8; Tosef. ib. XII (XI), 16, v. אָרְבָּן; a. fr.—Pl. כּוּשִׁין. Y. Yeb. XII, 12ᵈ bot. (in Chald. diction, in a disguised answer to a ritual question propounded to R. Akiba by a pretended street vendor) אית לך כ׳ אית לך כשר hast thou spindles? hast thou ‘Kasher’? (play on כִּישׁוֹר, v. כּוּנְשְׁרָא; intimating ‘It is legal’).