Herds grass, also known as timothy grass, is a common type of grass that is popularly used in agriculture and livestock farming. Timothy grass is a cool-season perennial grass that is known for its excellent hay quality and high nutritional value. Some synonyms for herds grass include meadow cat's-tail, common cat's-tail, or simply timothy. These synonyms can often be used interchangeably to refer to the same type of grass species. Herds grass is particularly popular for grazing livestock such as cattle and horses due to its high fiber content and low protein content. Overall, herds grass is an essential component of modern agriculture and supports the livestock industry across the world.