\In*trench"ment\, n. [From {Intrench}.]
1. The act of intrenching or the state of being intrenched.
2. (Mil.) Any defensive work consisting of at least a trench
   or ditch and a parapet made from the earth thrown up in
   making such a ditch.
         On our side, we have thrown up intrenchments on
         Winter and Prospect Hills.            --Washington.
3. Any defense or protection.
4. An encroachment or infringement.
         The slight intrenchment upon individual freedom.
                                               --Southey.