Verb (used with object) : safely entrenched behind undeniable facts.    From Dictionary.com. 

Verb (used without object) : to entrench on the domain or rights of another.    From Dictionary.com. 

The military forces were distributed along what was known as the intrenched camp.    From Wordnik.com.  [The end of an era,] Reference

Page 9 and Illustration, "intrenched" changed to "entrenched" to conform to text.    From Wordnik.com.  [The Pleasant Street Partnership A Neighborhood Story] Reference

Herron intrenched from Lauman to the water's edge.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

In addition to this there was an intrenched line in.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Here he found Hardee intrenched, ready to meet him.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

This place was found to be intrenched and garrisoned.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Lee was found intrenched along the front of their line.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Also that he was intrenched, and could maintain himself.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Confederate cavalry dismounted and partially intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

He found it intrenched and occupied by cavalry and infantry.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

He immediately intrenched himself and awaited the arrival of.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The intrenched line of the enemy commenced on the north end of.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The enemy had in addition to their intrenched line close up to.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

On the 4th of June, Johnston abandoned his intrenched position at New.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

They found the bridge guarded, with troops intrenched, on the north side.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

These batteries were intrenched and the approaches sufficiently protected.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

He had then intrenched the city, so that it could be held by a small garrison.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

On the crest of the west bank of this stream the enemy was strongly intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

This place was very strongly intrenched, and naturally a very defensible position.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Their advance was slow from there, for they intrenched with every forward movement.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

This position, naturally a strong and defensible one, was also strongly intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Then too the troops were well intrenched and the gunboats made a valuable auxiliary.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Here Lee held a position which was very strong, naturally, besides being intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

All these points, except St. Augustin Tlalpam, were intrenched and strongly garrisoned.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The left wing moved up again on the 25th of May and intrenched itself close to the enemy.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The ground inside and outside of this intrenched line was very broken and generally wooded.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

During the night of April 2d our line was intrenched from the river above to the river below.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The criticism has often been made that the Union troops should have been intrenched at Shiloh.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The National armies were thoroughly intrenched all the way from the Tennessee River to Corinth.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

They were fortified or intrenched, and there was considerable fighting before they were captured.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

This time he succeeded in gaining a position immediately in the enemy's front, where he intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

A few of the enemy were intrenched on the west bank, but they made little resistance and soon surrendered.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

General Johnston raised another army as rapidly as he could, and fortified or strongly intrenched at Corinth.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Atlanta was very strongly intrenched all the way around in a circle about a mile and a half outside of the city.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

The roads leading to garitas (the gates) San Cosme and Belen, by which these aqueducts enter the city, were strongly intrenched.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Roads were again made in our front, and again corduroyed; a line was intrenched, and the troops were advanced to the new position.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference

Logan intrenched himself hastily, and by that means was enabled to resist all assaults and inflict a great deal of damage upon the enemy.    From Wordnik.com.  [Memoirs of the Union's Three Great Civil War Generals] Reference