plantain . ( Of the lat. )( plantago, - inis ). 1. m. lively, herbaceous plant of the family of the Plantagináceas, with leaves radical, petiolate, thick, broad, oval, entire or slightly wavy for the margin, flowers on a scape of two to three decimetres of height, long and tight spikes, small, greenish, Corolla tubular at the base and split into four petals in cross, with two divisions capsular fruit, and ellipsoidal Brown seeds. It is very common on moist sites, and the BREW of the leaves is used in medicine. plantain of water. 1. m . alisma. plantain Mayor. 1. m. plantain. plantain minor. 1. m. plant herbaceous, perennial of the family of the Plantagináceas, with radical, upright, long, lanceolate leaves of five longitudinal nerves, and flowers and fruits as the greater plantain , which replaced in medicine. It abounds in meadows.