entrench
Pronunciation:
/ɛnˈtɹɛntʃ/verb
Definitions
To dig or excavate a trench; to trench.
To surround or provide with a trench, especially for defense; to dig in.
Example: The army entrenched its camp, or entrenched itself.
To establish a substantial position in business, politics, etc.
Example: Senator Cornpone was able to entrench by spending millions on each campaign.
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.