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plan of Greek Temple B
Having a row of columns across the front only, as in some Greek and Roman temples.
(Architecture) (of a building) having a row of columns in front, esp as in the portico of a Greek temple
(Architecture) a prostyle building, portico, etc
[C17: from Latin prostӯlos, from Greek: with pillars in front, from pro-2 + stulos pillar]
(of a classical temple or other building) having a portico with columns on the front only.