Breadcrumb Home > Dictionary > Index V villous: Meaning and Definition of Find definitions for: vil•lous Pronunciation: (vil'us), [key] — adj. covered with or of the nature of villi. having villiform processes. pubescent with long and soft hairs that are not interwoven. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. villosity villus ✖ Related Content Daily Word Quiz: centrifugal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language