Ballista and Dirk

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

Dirk and ballista are semantically related in arm topic. In some cases you can use "Dirk" instead a noun "Ballista".

Dirk noun - A relatively long dagger with a straight blade.

Ballista and dirk are semantically related in arm topic. Sometimes you can use "Ballista" instead a noun "Dirk".