/ Dictionary / Index N Nicholas V: Meaning and Definition of Find definitions for: Nicholas V Pronunciation: [key] (Thomas Parentucelli) 1397?–1455, Italian ecclesiastic: pope 1447–55. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nicholas IV Nicholasville Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language