fleawort

noun

1. plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative

   noun.plant

   Synonyms plantago psyllium psyllium spanish psyllium

   Source: WordNet 3.0

2. An herb used in medicine (<i>Plantago Psyllium</i>), named from the shape of its seeds.

   noun

   Source: webster1913