humidor

Etymology

From humid, modeled after cuspidor (“spittoon”).

noun

1. A container designed to keep its contents at a constant humidity; especially such a box for storing cigars.
   Don't just toss them in the humidor; you need to progressively re-humidify them. You're definitely going to want a thermometer to put inside your humidor, as well as a hygrometer […] 2016, The Cuban Cigar Handbook: The Discerning Aficionado's Guide to the Best Cuban Cigars in the World, Cider Mill Press, page 89