Noun
siege engine (plural siege engines)
(weaponry, historical) A large weapon of war used during ancient and medieval times to batter fortifications, settlements, etc.; specifically, a trebuchet or other type of catapult.
Synonyms: military engine, siege weapon
siege-engine (plural siege-engines)
Alternative form of siege engine
siege-engine
The Encyclopedia - the advance artillery of reason, the armada of philosophy, the siege engine of the enlightenment. Peter Prange
Siege engines The traction trebuchet was a siege engine which uses the power of men pulling on ropes or the energy stored in a raised weight to rotate what was, again, a staff sling. Source: Internet
The benefits of large guns over trebuchets – the most effective siege engine of the Middle Ages before the advent of gunpowder – were those of a greater range and power. Source: Internet
It had a lower rate of fire and was used as a siege engine. Source: Internet