Bible Dictionaries
Calx

Webster's Dictionary

(1):

(n.) Broken and refuse glass, returned to the post.

(2):

(n.) Quicklime.

(3):

(n.) The substance which remains when a metal or mineral has been subjected to calcination or combustion by heat, and which is, or may be, reduced to a fine powder.

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