ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English penywort, from peny penny + wort — more at penny , wort
: any of several round-leaved plants: as
a. : navelwort
b. : any of various umbelliferous plants of the genera Hydrocotyle and Centella — called also marsh pennywort
c. : kenilworth ivy
d. : a leafless perennial ( Obolaria virginica ) of the family Gentianaceae with white or purplish flowers