Trench
Part of speech: noun
Definition: A long, narrow ditch or hole dug in the ground, especially in warfare. A pit, usually rectangular with smooth walls and floor, excavated during an archaeological investigation. A trench coat.
Part of speech: verb
Definition: }} To invade, especially with regard to the rights or the exclusive authority of another. 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.
Example sentence: Gradually I became aware of details: a company of French soldiers was marching through the streets of the town. They broke formation, and went in single file along the communication trench leading to the front line. Another group followed them.
Impinge
Part of speech: verb
Definition: To make a physical impact (on); to collide, to crash (upon).To interfere with; to encroach (on, upon).To have an effect upon; to limit.