underrun

American  

[uhn-der-ruhn] / ˌʌn dərˈrʌn /

verb (used with object)

underran, underrun, underrunning

1. to run, pass, or go under.

2. Nautical. to pass beneath (a stretched rope, net, etc.) in a boat or the like for the purpose of inspection or repairs.

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noun

1. something that runs or passes underneath, as a current.

2. an instance of costing or spending less than estimated.

3. a production run of a manufactured or printed item below the quantity ordered.

Etymology

Origin of underrun

First recorded in 1540–50; under- + run