Oxford Dictionary
hang-out
hang-out ▶noun informal a place one lives in or frequently visits.
Oxford Thesaurus
hang-out
hang-out noun this place was a favourite student hang-out: haunt, stamping ground, favourite spot, meeting place, territory, domain, purlieu, resort; den, nook, nest, refuge, retreat, hideout; informal hidey-hole; Brit. informal local, patch, manor.