Bot. [a. L., a. Gr. ἄλισμα a water-plant mentioned by Dioscor.] A genus of aquatic endogenous plants, the type of N.O. Alismaceæ; applied esp. to the species A. Plantago, a plant common in ponds and ditches.
1736. Bailey, Househ. Dict., Alisma … is sudorifick, and dissolves coagulated blood.
1863. Ld. Lytton, Ring of Amasis, I. II. i. 112. Like a little tree out of the crystal pool, upshoots, with graceful pyramid of white thick-clustered flowers, the delicate alisma.
