Shekel, among the ancient Hebrews originally a weight, and eventually the name of a coin of gold or silver, or money of a certain weight, the silver = 5s. per oz., and the gold = £4.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Sheil, Richard Lalor * Shelburne, William Petty, Earl of