Question: what is the meaning of the word ratchet
[{'answer': 'wretched', 'provenance': [{'wikipedia_id': '48926928', 'title': 'Ratchet (slang)', 'start_paragraph_id': 1, 'start_character': 507, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'ghetto', 'provenance': [{'wikipedia_id': '48926928', 'title': 'Ratchet (slang)', 'start_paragraph_id': 1, 'start_character': 343, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48926928', 'title': 'Ratchet (slang)', 'start_paragraph_id': 1, 'start_character': 397, 'end_paragraph_id': 1, 'end_character': 1126, 'bleu_score': 0.922773925442776, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9624279360362375536}, 'section': 'Section::::Abstract.'}]}]