[{"Bold_text": "noun", "List Items": ["a rough cabin; shanty.", "Informal. radio shack radio shack."]}, {"Bold_text": "verb phrase", "List Items": ["Slang.to live together as spouses without being legally married.to have illicit sexual relations.to live in a shack:He's up in the mountains.", "to live together as spouses without being legally married.", "to have illicit sexual relations.", "to live in a shack:He's up in the mountains."]}, {"Bold_text": "verb (used with object)", "List Items": ["to chase and throw back; to retrieve:to shack a ground ball."]}]