intrench,v.|ɪnˈtrɛnʃ| [f. in-1 + trench.] 1.trans. To make a trench in; to furrow. 1754P. H. Hiberniad 37 Intrench'd her Forehead, horrent stands her Hair.1871L. Stephen Playgr. Europe vi. (1894) 144 Towers of ice intrenched by deep crevasses. 2. Variant of entrench v., q.v.