1. (

• entrench ,
• intrench

) fix firmly or securely ;

2. (

• impinge ,
• encroach ,
• entrench ,
• trench ,

) impinge or infringe upon; "This impinges on my rights as an individual"; "This matter entrenches on other domains" ;

3. (

• entrench ,
• dig_in

) occupy a trench or secured area; "The troops dug in for the night" ;

1. (

• entrenched

) dug in ;

2. (

• entrenched

) established firmly and securely; "the entrenched power of the nobility" ;