underrun

To run, pass, or go beneath.

To haul (a line or cable) onto a boat for inspection or repair.

Something that runs under, as.

An amount or a quantity produced that is less than what has been estimated.

The difference between this amount or quantity and what has been estimated.

An undercurrent.

An undercurrent.

To run or pass under; especially (nautical), to pass under, as for the purpose of examining: as, to underrun a cable (to pass under it in a boat, in order to examine whether any part of it is damaged or entangled); to underrun a fishing-net.

To move under, as a boat when a seine is hauled in over one side of it and paid out over the other.

To run or pass under