Intrenchment

Part of speech: noun (n.)

1. The act of intrenching or the state of being intrenched.

2. 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.