"second thought" meaning in English

{
  "forms": [
    {
      "form": "second thoughts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "second thought (plural second thoughts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "kind": "other",
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      "examples": [
        {
          "ref": "2007, Cris Beam, Transparent: Love, Family, and Living the T with Transgender Teenagers, page 199:",
          "text": "But it seemed there was never a flinch or second thought on his part about being with a transgirl, even when they started having sex, some few months into the relationship.",
          "type": "quote"
        }
      ],
      "form_of": [
        {
          "word": "second thoughts"
        }
      ],
      "glosses": [
        "singular of second thoughts"
      ],
      "id": "en-second_thought-en-noun-NAutiHex",
      "links": [
        [
          "second thoughts",
          "second thoughts#English"
        ]
      ],
      "tags": [
        "form-of",
        "singular"
      ]
    }
  ],
  "word": "second thought"
}

{
  "forms": [
    {
      "form": "second thoughts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "second thought (plural second thoughts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2007, Cris Beam, Transparent: Love, Family, and Living the T with Transgender Teenagers, page 199:",
          "text": "But it seemed there was never a flinch or second thought on his part about being with a transgirl, even when they started having sex, some few months into the relationship.",
          "type": "quote"
        }
      ],
      "form_of": [
        {
          "word": "second thoughts"
        }
      ],
      "glosses": [
        "singular of second thoughts"
      ],
      "links": [
        [
          "second thoughts",
          "second thoughts#English"
        ]
      ],
      "tags": [
        "form-of",
        "singular"
      ]
    }
  ],
  "word": "second thought"
}