in botany, a genus of grasses, belonging to the triandria digynia clas. The calix has two valves; and the spica is oblong and cylindrical. There are sixteen species, eleven of which are natives of Britain, viz. the ovina, or sheep's fescue-grass; the rubiufcula, or hard fescue-grass; the rubra, or purple fescue-grass; the bromoides, or barren fescue-grass; the myuros, or wall fescue-grass; the pratensis, or meadow fescue-grass; the elatior, or tall fescue-grass; the decumbens, or small fescue-grass; the fluitans, or flat fescue-grass; the loliacea, or spiked fescue-grass; and the sylvatica, or wood fescue-grass.