What is the meaning of Entrench?

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

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

   To dig or excavate a trench; to trench.

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

   1. 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.
   2. To establish a substantial position in business, politics, etc.

      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 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.

      Source: wiktionary.org