Trench, v. i. 1. To encroach; to intrench.
Does it not seem as if for a creature to challenge to itself a boundless attribute, were to trench upon the prerogative of the divine nature? I. Taylor.
2. To have direction; to aim or tend. Bacon.
To trench at, to make trenches against; to approach by trenches, as a town in besieging it.
Like powerful armies, trenching at a town
By slow and silent, but resistless, sap. Young.