Shadrach \Sha"drach\, n. (Metal.)
   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.)
   [1913 Webster]

Shadrach
   Aku's command, the Chaldean name given to Hananiah, one of the
   Hebrew youths whom Nebuchadnezzar carried captive to Babylon
   (Dan. 1:6, 7; 3:12-30). He and his two companions refused to bow
   down before the image which Nebuchadnezzar had set up on the
   plains of Dura. Their conduct filled the king with the greatest
   fury, and he commanded them to be cast into the burning fiery
   furnace. Here, amid the fiery flames, they were miraculously
   preserved from harm. Over them the fire had no power, "neither
   was a hair of their head singed, neither had the smell of fire
   passed on them." Thus Nebuchadnezzar learned the greatness of
   the God of Israel. (See ABEDNEGO.)
   

Shadrach, tender, nipple