to underrun
- verb
- /ˌʌndərˈrʌn/
- The cable must underrun the bridge to avoid interfering with traffic above.
Examples
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The river underruns the walkway for several miles before emerging on the other side.
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In this method, the pipeline will underrun the existing structure.
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The river underrun the bridge.
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During the storm, the water underran the old dam.
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The construction crew plans to underrun the utility lines to install a new sewer system.
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To prevent damage, the engineers determined that the cable must underrun the pipeline under the road.
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The maintenance team will underrun the terrain to ensure the new lines are safely positioned.
Surface Forms
Morphology
Etymology
Underrun is made of under- meaning 'below' and run meaning 'to move', so it literally means 'to run below' something. That's why to underrun a structure or river is to pass or flow under it.