Grass noun – Narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay. Prairie and grass are semantically related in grassland topic. In some cases you can use "Prairie" instead a noun "Grass". Nearby Words: grassland, grassy, grassed, grassing
Prairie noun – A broad area of level or rolling treeless country. Grass and prairie are semantically related in grassland topic. Sometimes you can use "Grass" instead a noun "Prairie".
It turns out to be a buffalo wallow; the way buffalos roll in the dirt breaks up the prairie grass and aerates the soil perfectly to encourage the violets to grow.