trench.

A long, narrow ditch or hole in the ground; either manmade, or formed naturally through erosion or tectonic plate movement.

The trenches for installing the underground cables were dug with a trencher.

A narrow excavation as used in warfare, as a cover for besieging or emplaced forces.

The soldiers in the trenches rely on logistical support.

A pit, usually rectangular with smooth walls and floor, excavated during an archaeological investigation.

A trench coat.

To invade, especially with regard to the rights or the exclusive authority of another; to encroach.

To excavate an elongated pit for protection of soldiers and or equipment, usually perpendicular to the line of sight toward the enemy.

To excavate an elongated and often narrow pit.

To have direction; to aim or tend.

To cut; to form or shape by cutting; to make by incision, hewing, etc.

To cut furrows or ditches in.

to trench land for the purpose of draining it

To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next.

to trench a garden for certain crops