The Collaborative International Dictionary
Polystyle
Polystyle \Pol"y*style\, a. [Gr. ? with many columns; poly`s many + ? column: cf. F. polystyle.] (Arch.) Having many columns; -- said of a building, especially of an interior part or court; as, a polystyle hall. -- n. A polystyle hall or edifice.
Wiktionary
polystyle
a. (context architecture English) Having many columns; said of a building, especially of an interior part or court. n. A hall or edifice with many columns.