n. In botany: Any plant of the composite genus Buphthalmum.n. The oxeye daisy. See daisy, and cut in next column.n. The corn-marigold (which see, under marigold).n. The American plant Heliopsis lævis.n. In ornithology: The greater titmouse, Parus major, called specifically big oxeye.n. The blue titmouse, P. cæruleus, called specifically blue oxeye.n. The black-bellied plover, Squatarola helvetica.n. The American dunlin, Pelidna americana.n. A cloudy speck or weather-gall, often seen on the coast of Africa, which presages a storm.n. plural Small concave mirrors made, especially in Nuremberg, of glass.