a. Sleek; smooth. [ Prov. Eng. ] [ 1913 Webster ]

n. [ Cf. Slick, n. ] (Mining) The pulverized matter from a quartz mill, or the lighter soil of hydraulic mines. [ Local, U. S. ] [ 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 ]