Bible Dictionaries
Slickensides

Webster's Dictionary

(1):

(n.) 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.

(2):

(n.) A variety of galena found in Derbyshire, England.

Bibliography Information
Webster, Noah. Entry for 'Slickensides'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/slickensides.html. 1828.