/ Dictionary / Index N Nidhogg: Meaning and Definition of Find definitions for: Nid•hogg Pronunciation: (nēd'hôg"), [key] — n. Scand. Myth. a serpent in Niflheim who gnaws upon the lowermost root of Yggdrasil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nidge nidicolous Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language