box A1

/bɑks/ A container with stiff, flat sides, usually used for holding or carrying things.

hotbox C2+

/ˈhɑtˌbɑks/ an overheated axle bearing on a railway car; also an enclosed heated space

icebox C2+

/ˈaɪsˌbɑks/ an insulated cabinet cooled by ice; an early or informal term for a refrigerator