(v. t.) To dig in; fortify; protect\.

arm armor armor-plate bank barge in barricade battle bed blockade break in break in upon bulwark burst in butt in castellate charge in come between confirm crash crash in crash the gates creep in crenellate crowd in cut in deep-dye define dig in edge in elbow in embattle embed encroach engraft engrave establish etch fence fix foist in fortify found garrison ground horn in impact impinge implant impose impose on impose upon impress imprint infiltrate infix infringe ingrain inscribe insinuate interfere interlope interpose intervene intrude invade irrupt jam lodge man man the garrison mine obtrude pack palisade plant press in print push in put on put upon root rush in seat set set in settle slink in slip in smash in sneak in squeeze in stamp steal in stereotype storm in strengthen throng in thrust in trench trespass wall wedge work in worm in