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 surround or provide with a trench, especially for defense; to dig in.
To establish a substantial position in business, politics, etc.
To dig or excavate a trench; to trench.
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 give up; to relinquish ownership of.
To quit (a job or position).
To submit passively; to give up as hopeless or inevitable.
To hand over (something to someone), place into the care or control of another.