Water grass.

(a)

A tall march perennial grass (Paspalum dilatatum) of the southern United States and the American tropics.

(b)

Manna grass.

(c)

The grass Chloris elegans.

(d) [Dial. Eng.]
(1)

Velvet grass.
(2)

The water cress.
(3)

One of various horsetails.

© Webster 1913