3up·stairs 
/ˈʌpˈsteɚz/ noun
/ˈʌpˈsteɚz/ noun Meaning:
the upstairs
: the upper floors of a building
▪ We've decided to rent out the upstairs. ▪ We're having the upstairs carpeted.
▪ We've decided to rent out the upstairs. ▪ We're having the upstairs carpeted.
