Bible Dictionaries
Shadrach

Webster's Dictionary

(n.) A mass of iron on which the operation of smelting has failed of its intended effect; - so called from Shadrach, one of the three Hebrews who came forth unharmed from the fiery furnace of Nebuchadnezzar. (See Dan. iii. 26, 27.)

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