To dig or excavate a trench; to trench.
To surround or provide with a trench, especially for defense; to dig in.
To establish a substantial position in business, politics, etc.
To invade; to encroach; to infringe or trespass; to enter on, and take possession of, that which belongs to another; usually followed by on or upon.
To cut in; to furrow; to make trenches in or upon.
To become completely absorbed in and fully accept one's beliefs, even in the face of evidence against it and refusing to be reasoned with.
To make porous or permeable through the formation of small holes or tunnels.
A location in a monitor program containing the address of a routine, allowing the user to substitute different functionality.
A hole burrowed by a worm.
A hypothetical shortcut between two points in spacetime, permitting faster-than-light travel and sometimes time travel.