/ Dictionary / Index V varicosis: Meaning and Definition of Find definitions for: var•i•co•sis Pronunciation: (var"i-kō'sis), [key] — n. Pathol. the formation of a varix or varices. varicosity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: varicosis (Thesaurus) varicose varicosity Related Content Daily Word Quiz: persevere Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language