Meanings of lost an army in English

Stonewall Jackson has lost a battle, but he hasn't lost an army.

Yet you might have lost an army division in some of the puddles.

And lost an army doing it?'

The French lost an army in their project; corruption gnawed through, and the thing ended in disgrace and disaster.

Another year had passed, and England had lost an army, and still held what she had before, the city of New York.

Over the past year, banks have lost an army of commodities traders to better-paying merchants and hedge funds, with even heavyweights like Goldman losing out.