entrench

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.
	2.	to establish in a position from which dislodgement is difficult; to place firmly in a strong position.
	3.	To cut in; to furrow; to make trenches in or upon.

Verb	1.	entrench - fix firmly or securely Synonyms: intrench
	2.	entrench - impinge or infringe upon; "This impinges on my rights as an individual"; "This matter entrenches on other domains" Synonyms: impinge, trench, encroach
	3.	entrench - occupy a trench or secured area; "The troops dug in for the night" Synonyms: dig in

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