ENTRENCH
entrench, intrench
(verb) fix firmly or securely
entrench, dig in
(verb) occupy a trench or secured area; “The troops dug in for the night”
Source: WordNet® 3.1
Etymology
Verb
entrench (third-person singular simple present entrenches, present participle entrenching, simple past and past participle entrenched) (ambitransitive)
(construction, archaeology) To dig or excavate a trench; to trench.
(military) To surround or provide with a trench, especially for defense; to dig in.
(figuratively) 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.
Synonyms
• (dig): trench
• (surround with a trench): dig in
• (establish a solid, firm financial position): consolidate
Source: Wiktionary
En*trench", v. t.
Definition: See Intrench.
Source: Webster’s Unabridged Dictionary 1913 Edition