Meaning of pentastyle in English:

pentastyle

Pronunciation /ˈpɛntəstʌɪl/

noun

rare Architecture
  • A building or portico with five columns or five rows of columns.

adjective

rare Architecture
  • Of a portico, etc.: five-columned.

Origin

Early 18th century; earliest use found in Ephraim Chambers (?1680–1740), encyclopaedist. From penta- + ancient Greek στῦλος pillar.