fleawort

noun

flea·​wort ˈflē-ˌwərt  -ˌwȯrt 

: any of several Old World plantains (especially Plantago psyllium) whose seeds are sometimes used as a mild laxative compare psyllium

Word History

First Known Use

before the 12th century, in the meaning defined above

Medical Definition

fleawort

noun

flea·​wort -ˌwərt  -ˌwȯ(ə)rt 

: any of three Old World plantains of the genus Plantago (especially P. psyllium) that are the source of psyllium seed

called also psyllium