תְּקוּפָה

תְּקוּפָהf. (b. h.; קוּף) turn, cycle. Ber.59b בתְקוּפָתָהּ, v. חַמָּה. R. Hash. 8a (Tosaf. pl.); a. e.Esp. turn of the sun, solstice; תְּקוּפַת ניסן vernal equinox; ת׳ תמוז summer solstice; ת׳ תשרי autumnal equinox; ת׳ טבת winter solstice. Erub.56a. Snh.11b; Tosef. ib. II, 2 על שלשה … ועל הת׳ we declare a leap-year for three reasons: on account of the spring crop, on account of the fruits of the trees, and on account of the solstice; a. fr.Pl. תְּקיּפוֹת. Ab. III, 18 ת׳ the calculation of cycles (astronomy), v. פַּרְפֶּרֶת. Sabb.75a היורע לתשב ת׳ ומזלותוכ׳ he who understands the science of cycles and planets and does not practice it; a. e.