Tubal-Cain] From this name (as sundry Commentators observe) might the name Vulcan the heathen God of Smiths be taken; as the name Jove from Jehovah; and as Adonis from Adonai, [Lord] often used in the Old Testament, (as some learned men conceive, though others derive it from the Greek word Acido, which signifieth to sing: or, from Hedone, in the same Language, signifying pleasure). instructer] Heb. whetter. Which may imply a sharpenesse of wit, piercing into the minds of those that receive instruction from him; and withall an incitement, or whetting of the affections to put such Arts into practice.