Douglas Harper's Etymology Dictionary
Wiktionary
multistory
a. (alternative form of multi-storey English)
WordNet
multistory
adj. having more than one story [syn: multistorey, multistoried]
Usage examples of "multistory".
How many times had I stood across the street from this multistory compound, staring up like a lovestruck boy and waiting until the lights were lit in the upper apartments and terraces, hoping against hope for just a glimpse of the woman?
The third and fourth blocks ran along one side of the Morningside Project, a multistory housing development and a major source of the students she would be working with.