/ Dictionary / Index N nodical: Meaning and Definition of Find definitions for: nod•i•cal Pronunciation: (nod'i-kul, nō'di-), [key] — adj. Astron. of or pertaining to a node or the nodes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. node of Ranvier nodical month Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language