/ Dictionary / Index N Neilah*: Meaning and Definition of Find definitions for: Ne•i•lah Pronunciation: (Seph.nu-ē-lä' Ashk. nē'lu), [key] — n. Hebrew. the Jewish religious service marking the conclusion of Yom Kippur. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Neil Neilson Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language