Jastrow: תִּקְרָה

תִּקְרָה f. (קָרָה II) roofing, ceiling, joists. B. Mets. X, 2, v. מַעֲזִיבָה. Ib. 117ᵃ בחוזק ת׳ קמפלגי (read: בחַזּוּקֵי) they differ as to whether the cement is for strengthening the ceiling (or for levelling the upper floor). Y. ib. X, beg. 12ᶜ התחתון נותן ת׳ ולווחים the owner of the lower story must furnish the joists and the boards. Ex. R. s. 16 לפי שהם תִּקְרַת העולם זה שמתקן ת׳ וכ׳ because they (the tribes) are the ceiling of the world; he that arranges the joists properly puts the thick side of one beam by the thinner side of the other; Tanḥ. Sh’moth 3 תִּקְרָתוֹ של עולם (not תקרתן); a. fr.