נדי, נָדָה (b. h.; cmp. preced.) to be restless, flee.
    Pi. - נִדָּה to banish, excommunicate. Ber. 19ᵃ את מי נִדּוּ whom did they (the scholars) excommunicate? Ib. ב"ד מְנַדִּין על כבוד הרב the court proclaims the ban to protect a teacher’s authority. Pes. 52ᵃ מנדין על שני וכ׳ we excommunicate for disregarding the second Holy Day observed in the diaspora; a. v. fr.—[Yalk. Is. 287 נדית עלי, v. נִדְּנֵד.]—Part. pass. מְנוּדֶּה; pl. מְנוּדִּין. M. Kat. 15ᵃ מנ׳ לשמים one excommunicated by the Lord, i.e. a mourner. Ib. מנ׳ מהו בד"ת dare an excommunicated person study the Law? Ib. מנ׳ מהו בקריעה must an excommunicated person rend his garments? Ned. I, 1 מנ׳ אני לך I vow to be excommunicated towards thee, i.e. I vow not to receive any favors at thy hands. M. Kat. 17ᵃ מנ׳ לרב מנ׳ לתלמיד one excommunicated by a teacher must be treated as such by his disciple (the latter cannot raise the ban). Ib. מנ׳ לעירו one excommunicated by the authorities of his own city. Ib. 15ᵇ כל אותן שנים … מנ׳ היו during all the years the Israelites were in the wilderness, they were excommunicated (by the Lord); a. v. fr.
    Hithpa. - הִתְנַדֶּה,
    Nithpa. - נִתְנַדֶּה to be excommunicated. Eduy. V, 6 ח"ו שעקביא נ׳ God forbid (to say) that ‘A. was excommunicated. Ib. כל המִתְנַדֶּה ומת וכ׳ he who dies while under excommunication has a stone placed on his coffin; a. fr.