underrun

[ uhn-der-ruhn ]
/ ˌʌn dərˈrʌn /
|

verb (used with object), un·der·ran, un·der·run, un·der·run·ning.

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

noun

something that runs or passes underneath, as a current.
an instance of costing or spending less than estimated.
a production run of a manufactured or printed item below the quantity ordered.

Origin of underrun

First recorded in 1540–50; under- + run
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underrun