n.
Pronunciation: ' per- ə - ˌ st ī (- ə )l
Function: noun
Etymology: French péristyle, from Latin peristylum, from Greek peristylon, from neuter of peristylos surrounded by a colonnade, from peri- + stylos pillar ― more at STEER
Date: 1612
1 : a colonnade surrounding a building or court
2 : an open space enclosed by a colonnade