entrench

Verb

WordNet 3.0

fix firmly or securelySynonyms: intrench
impinge or infringe upon“This impinges on my rights as an individual”“This matter entrenches on other domains”Synonyms: impinge encroach trench
occupy a trench or secured area“The troops dug in for the night”Synonyms: dig in

entrench \en*trench"\, v. t.

1.(Mil.) To surround with a trench or with intrenchments, as in fortification; to fortify with a ditch and parapet. Same as intrench. [1913 Webster]

2.to establish in a position from which dislodgement is difficult; to place firmly in a strong position. [PJC]

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

Syn: intrench. [1913 Webster]