generic term for weapons (old) / army (matters) / military affairs
戎
=
𠂇
+
戈
:
Mnemonic symbol: a firearm locker full of guns.
Rachel Rhinoceros (ru) is storing her weapons in a firearm locker (戎) in the engine's kitchen ((e)ng2). It is full of scissors (𠂇) and spears (戈).