Jastrow: כּוֹפֶת

כּוֹפֶת c. (כָּפָה, cmp. מטה כפויה s. v. כָּפָה) [an inverted vessel,] a low seat, a block with a concave top to sit upon; bolster, stool. Kel. XXII, 9. Tosef. Sabb. XIII (XIV), 17 וכ׳ חקוק בין כ׳ (ed. Zuck. כרפ׳, Var. כיפ׳, corr. acc.) a block whether caved out &c. Kel. XX, 5 כ׳ שקבעו וכ׳ if one put a stool in the rubble of a wall (v. נִדְבָּךְ; Tosef. Kel. B. Mets. XI, 6 כסא … בבנין). Tosef. Kel. B. Bath. II, 1 [read:] כ׳ חלקה שאין בה וכ׳ (v. R. S. to Kel. XXII, 9; ed. Zuck. כיפת חלק) a plain (not shaped) block which has not the height of &c. Y. Pes. VII, 28ᵈ bot. בצק שעשאו כ׳ a mass of hardened dough which one made into a seating block. Ohol. XI, 3 וכ׳ עבה a thick carpet-cover of a seating block (cmp. Tosef. Kel. B. Mets. XI, 10). Y. Erub. VII, 24ᵇ bot. כ׳ שהדריגוה a seating block into which steps were cut. Tosef. Ohol. XII, 2 שתי … וכ׳ ע"ג האבן R. S. to ib. XI, 3 (ed. Zuck. a. oth. וכי׳) two stones above one another and a seating block on top &c.; a. e.—Pl. כּוֹפְתִין. Ib. in R. S. to Ohol l. c. (ed. Zuck. a. oth. כָּפִיתִין).