"pigeon-chested" meaning in English

{
  "forms": [
    {
      "form": "more pigeon-chested",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most pigeon-chested",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pigeon-chested (comparative more pigeon-chested, superlative most pigeon-chested)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019 May 8, Barney Ronay, The Guardian:",
          "text": "Barça had frozen. Alexander-Arnold saw it, caught Divok Origi’s eyes and pinged the perfect cross for a double-take of a winning goal. This was a 20-year-old local lad, product of down the road, out-thinking Barcelona, making them look like callow, pigeon-chested schoolboys.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Having a pigeon chest."
      ],
      "id": "en-pigeon-chested-en-adj-PdfKV3SW",
      "links": [
        [
          "pigeon chest",
          "pigeon chest"
        ]
      ]
    }
  ],
  "word": "pigeon-chested"
}

{
  "forms": [
    {
      "form": "more pigeon-chested",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most pigeon-chested",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pigeon-chested (comparative more pigeon-chested, superlative most pigeon-chested)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2019 May 8, Barney Ronay, The Guardian:",
          "text": "Barça had frozen. Alexander-Arnold saw it, caught Divok Origi’s eyes and pinged the perfect cross for a double-take of a winning goal. This was a 20-year-old local lad, product of down the road, out-thinking Barcelona, making them look like callow, pigeon-chested schoolboys.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Having a pigeon chest."
      ],
      "links": [
        [
          "pigeon chest",
          "pigeon chest"
        ]
      ]
    }
  ],
  "word": "pigeon-chested"
}