/en trench"/ , v.t.
1. to place in a position of strength; establish firmly or solidly: safely entrenched behind undeniable facts.
2. to dig trenches for defensive purposes around (oneself, a military position, etc.).
v.i.
3. to encroach; trespass; infringe (usually fol. by on or upon ): to entrench on the domain or rights of another.
Also, intrench .
[ 1545-55; EN- 1 + TRENCH ]
Syn. 1. settle, ensconce, set, implant, embed.