intrench

verb

1. 1

   To dig or excavate a trench; to trench.

2. 2

   To surround or provide with a trench, especially for defense; to dig in.

   “The army entrenched its camp, or entrenched itself.”

3. 3

   To establish a substantial position in business, politics, etc.

   “Senator Cornpone was able to entrench by spending millions on each campaign.”

4. 4

   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.

5. 5

   To cut in; to furrow; to make trenches in or upon.