A hangman; a temporary crane to remove goods from the hold of a vessel So called from Derrick, the Tyburn hangman early in the seventeenth century, who for more than a hundred years gave his name to gibbets (See Hangman ) "He rides circuit with the devil, and Derrick must be his host, and Tyborne the inn at which he will light " - Bellman of London, 1616 Derwentwater Lord Derwentwater's lights The Aurora borealis; so called from James, Earl of Derwentwater, beheaded for rebellion February 24th, 1716 It is said that the northern lights were unusually brilliant on that night
An apparatus designed to hoist heavy weights The general design of a derrick is similar to that of a post crane except that the boom is hinged at the heel which allows it to be set at any angle with the post The post of a derrick usually rotates with the boom