נָדַב (b. h.) 1) to make willing, to prompt. Tanḥ. T’rum. 3 (ref. to Ex. XXV, 2) יצא … שאין לבו נוֹדְבוֹ this excludes the insane whom his heart (reason) cannot prompt; (Tanḥ. ed. Bub. ib. 2 שאינו מתנדב בלבו).—2) (denom. of נְדָבָה) to offer willingly, donate, consecrate, contrad. to נָדַר (v. נְדָבָה). Ned. 9ᵇ (ref. to Mish. ib. I, 1) תני נ׳ בנזיר וכ׳ read nadab (in place of nadar), he made a noble vow &c. Ib. 10ᵃ תני נוֹדֵב וכ׳ read nodeb (in place of נודר), he dedicates the sacrifice and fulfills (offers it).
    Nif. - נִידָּב, נִדָּב to be donated, dedicated. Meg. I, 10 כל שהוא נידר ונ׳ whatever sacrifice is dependent on vow or dedication; Zeb. 117ᵃ כל הנדר ונ׳ Ms. M.; Sifré Deut. 65; Tem. 14ᵇ. Ib. נזיר לאו נדר ונ׳ הוא the sacrifices of the Nazarite are not to be classified among the vowed or free-will offerings; a. e.
    Hithpa. - הִתְנַדֵּב to be prompted; to vow a free-will offering; to donate. Tosef. Ned. I, 1 אין הרשעים מִתְנַדְּבִים wicked men do not vow offerings. Ib. מתנדבים נזירות used to vow to be Nazarites. Men. XII, 3 לא ה׳ כדרך המתנדבים he did not make his vow in the ordinary way of vowing people. Ib. 4 מִתְנַדֵּב אדם וכ׳ a man may vow a meal offering of sixty &c. Tanḥ. ed. Bub. l. c. מתנדב בלבו is prompted by his heart, v. supra. Arakh. 6ᵇ עכו"ם שה׳ מנורה וכ׳ if a gentile donated a lamp to a synagogue. Sifra Tsav, Milluim, Par. 1 בשעה שצוה … להִתְנַדֵּב וכ׳ when the Lord of the world ordered free-will donations for the sanctuary; שלא יִתְנַדֵּב אדם גזל וכ׳ that no man must donate what is forced out of him, i.e. no pressure may be used for contributions for a sacred purpose; Yalk. Lev. 515. Snh. 43ᵃ נשים … מִתְנַדְּבוֹת וכ׳ worthy women … volunteered their services and brought them (benumbing drinks for the culprits); a. fr.