"start a hare" meaning in English

{
  "etymology_text": "From the once common practice of hunting rabbits for sport.",
  "forms": [
    {
      "form": "starts a hare",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "starting a hare",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "started a hare",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "started a hare",
      "tags": [
        "past"
      ]
    },
    {
      "form": "start a hare running",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "start a hare (third-person singular simple present starts a hare, present participle starting a hare, simple past and past participle started a hare)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Welsh translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "start a fresh hare"
        }
      ],
      "glosses": [
        "To introduce a conversational topic."
      ],
      "id": "en-start_a_hare-en-verb-1Y6Wc7fz",
      "links": [
        [
          "topic",
          "topic"
        ]
      ],
      "raw_glosses": [
        "(UK, dated) To introduce a conversational topic."
      ],
      "tags": [
        "UK",
        "dated"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "lever un lièvre"
        },
        {
          "code": "cy",
          "lang": "Welsh",
          "sense": "Translations",
          "word": "codi ysgyfarnog"
        }
      ]
    }
  ],
  "word": "start a hare"
}

{
  "derived": [
    {
      "word": "start a fresh hare"
    }
  ],
  "etymology_text": "From the once common practice of hunting rabbits for sport.",
  "forms": [
    {
      "form": "starts a hare",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "starting a hare",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "started a hare",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "started a hare",
      "tags": [
        "past"
      ]
    },
    {
      "form": "start a hare running",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "start a hare (third-person singular simple present starts a hare, present participle starting a hare, simple past and past participle started a hare)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "British English",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "Terms with Welsh translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "To introduce a conversational topic."
      ],
      "links": [
        [
          "topic",
          "topic"
        ]
      ],
      "raw_glosses": [
        "(UK, dated) To introduce a conversational topic."
      ],
      "tags": [
        "UK",
        "dated"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "lever un lièvre"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "Translations",
      "word": "codi ysgyfarnog"
    }
  ],
  "word": "start a hare"
}