WordWeb Online

1. Fix firmly or securely
   - intrench
    
2. Impinge or infringe upon
   "This matter entrenches on other domains"
   - impinge, encroach, trench
    
3. Occupy a trench or secured area
   "The troops entrenched for the night"
   - dig in

Derived forms: entrenched, entrenches, entrenching

See also: entrenchment

Type of: fasten, fix, secure, take advantage, trespass

Encyclopedia: Entrench