lit. fence town / buffer region (between enemies) / Tang dynasty system of provincial administration under a provincial governor 節度使|节度使[jie2 du4 shi3]
to press down / to calm / to subdue / to suppress / to guard / garrison / small town / to cool or chill (food or drinks)
镇
=
真
+
钅
:
James II of England (zh) had the replicator (真) create too much food and now he forces (镇) it down the encampment's toilet ((e)n4) using a golden harpoon (钅).