Examples from the Web for graminivorous
When exercise is denied to graminivorous and omnivorous animals this is tantamount to a deficient supply of oxygen.
The interior, which is bright, and tastefully arranged, is crowded with the graminivorous of both sexes.
Again, horned quadrupeds are all herbivorous (or graminivorous), and have hoofs to their feet.Extinct Monsters|H. N. Hutchinson
Thus was a graminivorous animal nurtured by a carnivorous and predaceous one!The Natural History of Selborne, Vol. 2|Gilbert White
The digestive apparatus of graminivorous animals is less simple, and their food contains very little nitrogen.