In·trench v. t. [imp. & p. p. Intrenched p. pr. & vb. n. Intrenching.]
  1. To cut in; to furrow; to make trenches in or upon.
     It was this very sword intrenched it.   --Shak.
  His face
  Deep scars of thunder had intrenched.   --Milton.
  2. To surround with a trench or with intrenchments, as in fortification; to fortify with a ditch and parapet; as, the army intrenched their camp, or intrenched itself. “In the suburbs close intrenched.”