"spring chicken" meaning in English

{
  "forms": [
    {
      "form": "spring chickens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spring chicken (plural spring chickens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "67 33",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "81 19",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "79 21",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "_dis1": "100 0",
          "word": "no spring chicken"
        }
      ],
      "glosses": [
        "A chicken for eating while it is still young."
      ],
      "id": "en-spring_chicken-en-noun-5OOGHWCx"
    },
    {
      "categories": [
        {
          "_dis": "1 99",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2014, William Friedman, Hearts and Minds, page 64",
          "text": "It is a special day for you indeed, for both of us, bodies incorporeal, receptive always to life's joys appreciative in any way I can, you like to remind me were both getting old; I'd remind you that, at fifty-five, you're still a spring chicken.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person who is still young."
      ],
      "id": "en-spring_chicken-en-noun-jsAJtI19",
      "raw_glosses": [
        "(chiefly in negative constructions) A person who is still young."
      ],
      "raw_tags": [
        "in negative constructions"
      ]
    }
  ],
  "word": "spring chicken"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys",
    "en:People"
  ],
  "derived": [
    {
      "word": "no spring chicken"
    }
  ],
  "forms": [
    {
      "form": "spring chickens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spring chicken (plural spring chickens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A chicken for eating while it is still young."
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2014, William Friedman, Hearts and Minds, page 64",
          "text": "It is a special day for you indeed, for both of us, bodies incorporeal, receptive always to life's joys appreciative in any way I can, you like to remind me were both getting old; I'd remind you that, at fifty-five, you're still a spring chicken.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person who is still young."
      ],
      "raw_glosses": [
        "(chiefly in negative constructions) A person who is still young."
      ],
      "raw_tags": [
        "in negative constructions"
      ]
    }
  ],
  "word": "spring chicken"
}