Definition of water grass in English:

water grass


  • 1Any of various grasses or grass-like plants growing in or near water or in moist ground, as grasses of the genera Glyceria, Echinochloa, and Paspalum, velvet grass (Holcus lanatus), and various sedges (Cyperaceae) and (British regional) horsetails (Equisetum).

  • 2Chiefly Irish English. Watercress, Nasturtium officinale.


Late 16th century; earliest use found in John Higgins (b. c1544), poet and linguist. From water + grass.


water grass

/ˈwɔːtə ˌɡrɑːs//ˈwɔːtə ˌɡras/