/ Dictionary / Index V vestigium: Meaning and Definition of Find definitions for: ves•tig•i•um Pronunciation: (ve-stij'ē-um), [key] — pl. ves•tig•i•a a vestigial structure of any kind; vestige. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vestigial vesting Related Content Daily Word Quiz: ingenuity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language