What does "Fangcang" literally mean in "Fangcang hospital" where China [relocated](https://edition.cnn.com/2020/02/22/asia/china-coronavirus-roundup-intl-hnk/index.html) those infected with Covid-19, but who had only mild (or no) symptoms?

Somewhat "close but no cigar", a *Lancet* [paper](https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30744-3/fulltext) explains

> 
> The term Fangcang, which sounds similar to Noah's Ark in Chinese, was borrowed from military field hospitals [...]
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But it's still not clear to me what the word actually means.