Meaning of HOLED UP in English

If you are holed up somewhere, you are hiding or staying there, usually so that other people cannot find or disturb you. ( INFORMAL )

If he had another well-stocked hideaway like this, he could stay holed up for months...

ADJ : v-link ADJ

Collins COBUILD Advanced Learner's English Dictionary.      Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.