1. feeding on grass or grain; herbivorous, especially of animals that eat grasses
Usage: formal or technical; often used in zoology and biology

Examples

• Cattle are graminivorous animals that spend most of their day grazing in pastures.
• The graminivorous diet of horses consists primarily of hay and fresh grass.
• Many graminivorous insects, such as grasshoppers, are important food sources for birds.
• Zebras are graminivorous herbivores native to the African savanna.
• The farmer chose graminivorous livestock because they could thrive on the available grassland.