n. 1. The smooth, striated, or partially polished surfaces of a fissure or seam, supposed to have been produced by the sliding of one surface on another. [ 1913 Webster ]

2. A variety of galena found in Derbyshire, England. [ 1913 Webster ]

n. 1. The smooth, striated, or partially polished surfaces of a fissure or seam, supposed to have been produced by the sliding of one surface on another. [ 1913 Webster ]

2. A variety of galena found in Derbyshire, England. [ 1913 Webster ]