Engine and Onager

Engine noun - A device that changes energy into mechanical motion.

Onager and engine are semantically related. In some cases you can replace term "Onager" with "Engine", this nouns are similar.

Nearby Words: engineer, enginery

Onager noun - An engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles.

Engine and onager are semantically related. You can use "Engine" instead a noun "Onager".