Dict: easton - Engines

easton:

Engines @

(1.) Heb. hishalon i.e., "invention" (as in kjv@Ecclesiastes:7:29) contrivances indicating ingenuity. In kjv@2Chronicals:26:15 it refers to inventions for the purpose of propelling missiles from the walls of a town, such as stones (the Roman balista) and arrows (the catapulta).

(2.) Heb. mechi kobollo, i.e., the beating of that which is in front a battering-ram kjv@Ezekiel:26:9), the use of which was common among the Egyptians and the Assyrians. Such an engine is mentioned in the reign of David ( kjv@2Samuel:20:15).