A decorative architectural feature made of a series of small arches, often used as ornamental design on walls or buildings.
From Medieval Latin 'arcatura', derived from 'arcus' meaning 'arch'. The suffix '-ture' indicates the result or product of an action, evolving in meaning from simply having arches to describing the specific ornamental pattern.
Medieval and Renaissance architects loved arcature so much they'd cover entire walls with these tiny arches—it's like the architectural equivalent of pixel art, using basic curved shapes to create intricate visual patterns that make buildings look far more elaborate than they actually are.
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