'Slickensides' definitions:

Definition of 'Slickensides'

From: GCIDE
  • Slickensides \Slick"en*sides`\, 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]