What is Entrench?

Entrench definition and meaning on Dictionary terms:
verb (used with object)
to place in a position of strength; establish firmly or solidly: safely entrenched behind undeniable facts.
to dig trenches for defensive purposes around (oneself, a military position, etc.).

verb (used without object)
to encroach; trespass; infringe (usually followed by on or upon): to entrench on the domain or rights of another.

RELATED WORDSingrain, strengthen, fortify, ensconce, embed, define, plant, set, fence, confirm, fix, protect, seat, settle, install, lodge, found, implant, infix, root


reference: https://www.dictionary.com/browse/entrench