siege engine
siege engine is a siege equipment or weapon type.
Overview
Its recorded use is siege. Catalogue entries for arms and armour state maker, marks, mechanism and, where relevant, licensing. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
device that is designed to break or circumvent city walls and other fortifications in siege warfare
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Siege engine”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q655697: siege engine
Consult the source