Jastrow: כִּיפָּה

כִּיפָּה, כִּפָּה f. (b. h.; כָּפַף) 1) arch, doorway, bow. Yeb. 80ᵇ עושה כ׳ forms a bow (when urinating). Yoma 11ᵇ; Erub. 11ᵇ כ׳ ר"מ וכ׳ as to an arched doorway R. M. says, it requires a M’zuzah. Tosef. ib. VII (V), 2 עד מקום הכי׳ (ed. Zuck. הקופא) to the site of the (now ruined) arch (of Tiberias); Y. ib. V, 22ᵈ bot. עד הכ׳. Y. Naz. VII, 56ᵃ top הגיעו לכ׳ when they arrived at the arch (or arcade). Ab. Zar. I, 7 (16ᵃ) כ׳ שמעמידין וכ׳ the arched chamber in the bath where they put up idolatrous statues. Pesik. R. s. 41 כ׳ של חשבונות … אותה כ׳ an arcade named Arch of Accounts (a sort of Exchange) existed outside of Jerusalem, and they used to go out and settle their accounts under this arcade &c. Tanḥ. B’shall. 17 (ref. to קפאו, Ex. XV, 8) כמין כפה (Mekh. ib., Shir. s. 6 קופה) like a vault; a. e.—Esp. כִּיפַּת הרקיע, or כִּופָּה the heavenly arch, sky (believed to be a solid mass). Gen. R. s. 48, beg. Gen. R. s. 4 הרקיע … ולמעלה … כ׳ וכ׳ the firmament is like a lake, and above the lake is the arch, and owing to the heat of the lake the arch exudes drops &c. B. Bath. 25ᵇ אחורי כ׳ back of (above) the sky. Meg. 11ᵃ ג׳ מלכו תחת הכ׳ Ms. M. 2 (ed. בכ׳, Ms. M. 1 בקופה) three persons ruled over the whole world; a. e. —2) a vaulted chamber, prison. Snh. IX, 3 כונסין אותן לכ׳ they put them in prison (for life). Ib. 5. —3) skull-cap, cap. Y. Gitt. IV, 45ᵈ bot.; Bab. Gitt. 20ᵃ; v. אנדכתרי; Treat. ʿĂbadim ch. III (ed. Kirchh.) קיפה. Sabb. 57ᵇ כ׳ של צמר a woolen cap, v. כָּבוּל II. Y. ib. V, end, 7ᶜ כ׳ של צמר a woolen cap on the head of a lamb, v. חָנוּן I; a. e.—Tosef. Mikv. IV, 5, v. infra. —4) (cmp. קוּפָּה) heap, pile. Y. Snh. X, 27ᵈ bot.; Y. M. Kat. III, 83ᶜ top כ׳ של אבנים a heap of stones; Gen. R. s. 100 כִּיפַּת אבנים. Ḥull. 129ᵃ כִּיפַּת שאור וכ׳ a heap (lump) of leavened dough which one intended to use as a block to sit on; Pes. 45ᵇ כופת some ed. (corr. acc.; Ms. M. 2 כי׳; v. Rabb. D. S. a. l. note 90); v. כּוֹפֶת.—Pl. כִּיפִּין, כִּפִּים (or כֵּיפִ׳ fr. כֵּיף) a) top-branches (arches) of palm-trees. Tosef. Shebi., VII, 16 על (של) בין הכֵּיפִ׳ ed. Zuck. (Var. על מה שבכי׳, שבכופין); Pes. 53ᵃ על של בין הכ׳ as long as there are fruits in the tops. Tosef. Kel. B. Bath. II, 1 שכיפת שתי כ׳ של תמרה וכ׳ (R. S. to Kel. XXII, 9 כופות) who tied together two palm branches and sat upon them. Sabb. XXIV, 2 מפספסין את הכ׳ you may spread the bunches of branches (for fodder), contrad. to זִירִין a. פְּקִיעִין. Ib. 155ᵃ כ׳ תלתא bunches are called kippin when tied with three bands.—b) billow-crests, surf. Sot. 34ᵃ. Ḥag. 19ᵃ; Ḥull. 31ᵇ אין מטבילין בכ׳ you must not immerse vessels in the surf (caps of waves), contrad. to ראשין; Tosef. Mikv. IV, 5 בכיפא ed. Zuck. (oth. ed. בכיפה).