Sentence:  In front of the entire regiment, the condemned trooper was forced to <WSD>unblouse</WSD> his trousers, remove his airborne boots, and replace them with regular shoes. 
Meaning of the word marked with <WSD> tags:  To untuck (leggings from footwear); to make (pants or trousers) unrestricted or untightened at the ankle, often as a sign of rank or service.