"bone up" meaning in English

{
  "forms": [
    {
      "form": "bones up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "boning up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "boned up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "boned up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bone up (third-person singular simple present bones up, present participle boning up, simple past and past participle boned up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (up)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1913, William Christian Schmeisser, Are You Going To College?, page 132",
          "text": "Information acquired in that way, makes an impression ; this \"boning\" up for an examination is all right as a finishing touch, but it will not last.",
          "type": "quotation"
        },
        {
          "ref": "1914, Kathleen Norris, chapter 2, in Saturday's Child",
          "text": "Here's your chance to bone up on the segregating, or crediting, or whatever you call it.",
          "type": "quotation"
        },
        {
          "ref": "2004 September 14, Kate Novack, “Fashion Literacy”, in Time",
          "text": "Now is the perfect time to bone up on your fashion history.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To study or cram, especially in order to refresh one's knowledge of a topic."
      ],
      "id": "en-bone_up-en-verb-OBluNXfG",
      "links": [
        [
          "study",
          "study"
        ],
        [
          "cram",
          "cram"
        ],
        [
          "refresh",
          "refresh"
        ]
      ],
      "raw_glosses": [
        "(intransitive, slang) To study or cram, especially in order to refresh one's knowledge of a topic."
      ],
      "related": [
        {
          "word": "ramp up"
        }
      ],
      "synonyms": [
        {
          "word": "brush up"
        },
        {
          "word": "review"
        },
        {
          "word": "revise"
        },
        {
          "word": "rub up"
        }
      ],
      "tags": [
        "intransitive",
        "slang"
      ],
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "xeskonízo",
          "word": "ξεσκονίζω"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "tags": [
            "imperfective"
          ],
          "word": "podkuwać"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "tags": [
            "perfective"
          ],
          "word": "podkuć"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "zubrítʹ",
          "tags": [
            "neuter"
          ],
          "word": "зубри́ть"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-bone up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/bf/En-au-bone_up.ogg/En-au-bone_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/bf/En-au-bone_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "bone up"
}

{
  "forms": [
    {
      "form": "bones up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "boning up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "boned up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "boned up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bone up (third-person singular simple present bones up, present participle boning up, simple past and past participle boned up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "ramp up"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (up)",
        "English slang",
        "English terms with audio links",
        "English terms with quotations",
        "English verbs",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1913, William Christian Schmeisser, Are You Going To College?, page 132",
          "text": "Information acquired in that way, makes an impression ; this \"boning\" up for an examination is all right as a finishing touch, but it will not last.",
          "type": "quotation"
        },
        {
          "ref": "1914, Kathleen Norris, chapter 2, in Saturday's Child",
          "text": "Here's your chance to bone up on the segregating, or crediting, or whatever you call it.",
          "type": "quotation"
        },
        {
          "ref": "2004 September 14, Kate Novack, “Fashion Literacy”, in Time",
          "text": "Now is the perfect time to bone up on your fashion history.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To study or cram, especially in order to refresh one's knowledge of a topic."
      ],
      "links": [
        [
          "study",
          "study"
        ],
        [
          "cram",
          "cram"
        ],
        [
          "refresh",
          "refresh"
        ]
      ],
      "raw_glosses": [
        "(intransitive, slang) To study or cram, especially in order to refresh one's knowledge of a topic."
      ],
      "synonyms": [
        {
          "word": "brush up"
        },
        {
          "word": "review"
        },
        {
          "word": "revise"
        },
        {
          "word": "rub up"
        }
      ],
      "tags": [
        "intransitive",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-bone up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/bf/En-au-bone_up.ogg/En-au-bone_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/bf/En-au-bone_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "xeskonízo",
      "word": "ξεσκονίζω"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "tags": [
        "imperfective"
      ],
      "word": "podkuwać"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "tags": [
        "perfective"
      ],
      "word": "podkuć"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "zubrítʹ",
      "tags": [
        "neuter"
      ],
      "word": "зубри́ть"
    }
  ],
  "word": "bone up"
}

{
  "called_from": "page/2517",
  "msg": "UNIMPLEMENTED parse_translation_template: trans-top-see {1: 'to study', 2: 'study', 3: 'cram'}",
  "path": [
    "bone up",
    "trans-top-see"
  ],
  "section": "English",
  "subsection": "verb",
  "title": "bone up",
  "trace": ""
}