fleawort n 1: plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative [syn: {fleawort}, {psyllium}, {Spanish psyllium}, {Plantago psyllium}]
Fleawort \Flea"wort`\, n. (Bot.) An herb used in medicine ({Plantago Psyllium}), named from the shape of its seeds. --Loudon. [1913 Webster]