(of a building or portico) having eight columns at the end or in front.
（建筑，门廊）八柱式的
Example sentencesExamples
In the process of working with these components, it appears that Bernini flirted with the idea of transforming the octastyle front into a hexastyle front.
nounˈɒktəstʌɪl
An octastyle portico or building.
Origin
Early 18th century: via Latin from Greek oktastulos, from okta- 'eight' + stulos 'pillar'.