לֵבָב, (b. h.) = לֵב, heart; (in rabbinical homiletics) double heart, seat of two opposite inclinations (v. יֵצֶר). Ber. IX, 5 (ref. to Deut. VI, 5) בכל לְבָבְךָ בשני יצריך וכ׳ ‘with all thy heart’ means with both thy inclinations &c. (i.e. break thy evil inclination for the love of God). Gen. R. s. 48 (ref. to Gen. XVIII, 5) וסעדו לְבַבְכֶם אין וכ׳ it does not say here, ‘comfort ye your l’bab, but your leb’, which intimates that the evil inclination has no power over angels; a. e.—[Pesik. S’liḥ., p. 166ᵃ, v. next w.]—Pl. f. לְבָבוֹת. Tanḥ. Ki Thabo 1 (ref. to Deut. XXVI, 16) בשעה שאתם מתפללים … שתי ל׳ וכ׳ when you pray before the Lord, you shall not have two hearts, one for the Lord, and one for another thing (idol); ib. 2. Sot. I, 8 גנב ג׳ ל׳ (Bab. ed. p. 9ᵇ גנבות) he deceived three hearts (v. גָּנַב). B. Bath. 12ᵇ before eating and drinking man has שתי ל׳ וכ׳ two hearts (his thoughts are not clearly defined) &c. (ref. to Job XI, 12 ‘a hollow man is divided at heart’).