Definify.com
Webster 1913 Edition
entrench
en-trench′
,Verb.
T.
1.
(Mil.)
To surround with a trench or with intrenchments, as in fortification; to fortify with a ditch and parapet. Same as
intrench
. 3.
To cut in; to furrow; to make trenches in or upon.
Syn. – intrench.