n. Open, uncultivated land; a desert tract of land; specifically, in Great Britain, an uncultivated tract of heathy or shrubby land, usually of a desolate character.n. A plant of the genus Erica, or, by extension, of the genus Calluna; any plant of the family Ericaceæ, called by Lindley heathworts.n. One of several small butterflies of different genera. The large heath is Erinephile tithonus; the small, Cænonympha pamphilus.n. In Tasmania, the popular name for several species of the genus Epacris, especially E. impressa, a beautiful slender shrub bearing white or red axillary flowers. See Epacris.