/ Dictionary / Index M mertensia: Meaning and Definition of Find definitions for: mer•ten•si•a Pronunciation: (mur-ten'sē-u, -shē-u, -shu), [key] — n. any of various plants belonging to the genus Mertensia, of the borage family, including the lungworts and the Virginia cowslip. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mertensia (Thesaurus) Mersin Merthiolate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language