Noun
steamer trunk (plural steamer trunks)
A kind of chest for luggage, having a flat or slightly curved top and usually covered in canvas, leather or patterned paper.
Synonyms: packer, steamer
I've always envied people who sleep easily. Their brains must be cleaner, the floorboards of the skull well swept, all the little monsters closed up in a steamer trunk at the foot of the bed. David Benioff
In 1991, the missing half turned up in a steamer trunk owned by descendants of Gluck's. Source: Internet
The cash prizes required the contestant to unlock a safe with the correct key, while a steamer trunk had to be unlocked in order to win the trip. Source: Internet