Water Grass

Part of speech: noun (n.)

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

2. Manna grass.

3. The grass Chloris elegans.

4. [Dial. Eng.] (1) Velvet grass. (2)

5. The water cress. (3)

6. One of various horsetails.