straight arch
- noun
- Specialized
- Unlike the curved form, a straight arch requires precise shaping of each stone.
Examples
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The ancient builders used a straight arch to span the entrance to the courtyard.
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Restoration of the bridge revealed a rare example of a Roman straight arch.
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The straight arch is a classic design in architecture.
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Many ancient buildings feature a straight arch style.
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The ancient builders used a straight arch to span the entrance to the courtyard.
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Restoration of the bridge revealed a rare example of a Roman straight arch.
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Many ancient buildings feature a straight arch style that enhances their grandeur.
Synonyms
A straight horizontal top for a door or window made of angled stones that support each other
Antonyms
How Straight
Surface Forms
Morphology
The phrase 'straight arch' is directly compositional: the adjective 'straight' modifies 'arch', so a learner who knows both words can infer it refers to an arch with straight (horizontal) elements rather than a curved one. While the definition includes technical details (e.g. voussoirs), the core meaning is transparent and follows a common adjective+noun pattern that is easily understandable.
Etymology
Straight arch comes from the simple image of an arch with a flat, straight top made from many stones cut like wedges. Those stones press together like a row of teeth to hold the weight, so the name points to a 'flat' top rather than a 'curved' one.