בִּיטּוּל, (בטל) interruption, loss of time; abrogation; relinquishment, renunciation. Kidd. 33ᵃ קימה שאין בה ב׳ rising (in honor of an elder &c.) which causes no interruption of labor.—ב׳ תורה neglect of the study of the Law. Sabb. 32ᵇ; a. fr.—Men. 99ᵃ sq. פעמים שבִּיטוּלָהּ וכ׳ sometimes the neglect of the Law is its establishing. Sabb. XVI, 1 ב׳ בה"מ neglect of lectures (through reading at home). Y. Peah IV, 18ᵇ, a. e. ב׳ עניים loss of time to the poor (when compelled to wait for their share in the crop).—Erub. 66ᵇ ב׳ רשות, v. בָּטֵל Pi.—Y. Gitt. IV, 46ᵃ top, a. fr. ב׳ פריה ורביה neglect of marital life.—Y. Ab. Zar. III, 43ᵈ bot. יש לה ב׳ can be cancelled, v. ib. IV, 4 s. v. בָּטֵל Pi.—Pes. 4ᵇ בב׳ בעלמא וכ׳ a mere relinquishment of possession would be sufficient.; a. v. fr.