"major junior" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "major",
        "3": "junior"
      },
      "expansion": "major + junior",
      "name": "compound"
    }
  ],
  "etymology_text": "From major + junior.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "major junior (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Canadian 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": "topical",
          "langcode": "en",
          "name": "Sports",
          "orig": "en:Sports",
          "parents": [
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "junior AAA"
        },
        {
          "word": "junior AA"
        },
        {
          "word": "junior A"
        },
        {
          "word": "junior B"
        },
        {
          "word": "junior C"
        },
        {
          "word": "junior D"
        },
        {
          "word": "semi-pro"
        }
      ],
      "derived": [
        {
          "word": "major juniors"
        }
      ],
      "glosses": [
        "pertaining to the top-level competition leagues of the junior age group, above junior AAA"
      ],
      "id": "en-major_junior-en-adj-t6V4hDde",
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "Canada",
          "Canada"
        ],
        [
          "US",
          "American English"
        ],
        [
          "junior AAA",
          "junior AAA"
        ]
      ],
      "raw_glosses": [
        "(sports, Canada, US) pertaining to the top-level competition leagues of the junior age group, above junior AAA"
      ],
      "related": [
        {
          "word": "junior pros"
        },
        {
          "word": "major"
        },
        {
          "word": "majors"
        },
        {
          "word": "junior"
        },
        {
          "word": "juniors"
        },
        {
          "word": "Division I"
        },
        {
          "word": "Division II"
        },
        {
          "word": "Division III"
        }
      ],
      "synonyms": [
        {
          "word": "junior pro"
        },
        {
          "word": "junior professional"
        }
      ],
      "tags": [
        "Canada",
        "US",
        "not-comparable"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "junior majeur"
        }
      ]
    }
  ],
  "word": "major junior"
}

{
  "coordinate_terms": [
    {
      "word": "junior AAA"
    },
    {
      "word": "junior AA"
    },
    {
      "word": "junior A"
    },
    {
      "word": "junior B"
    },
    {
      "word": "junior C"
    },
    {
      "word": "junior D"
    },
    {
      "word": "semi-pro"
    }
  ],
  "derived": [
    {
      "word": "major juniors"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "major",
        "3": "junior"
      },
      "expansion": "major + junior",
      "name": "compound"
    }
  ],
  "etymology_text": "From major + junior.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "major junior (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "junior pros"
    },
    {
      "word": "major"
    },
    {
      "word": "majors"
    },
    {
      "word": "junior"
    },
    {
      "word": "juniors"
    },
    {
      "word": "Division I"
    },
    {
      "word": "Division II"
    },
    {
      "word": "Division III"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "Canadian English",
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English uncomparable adjectives",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "Translation table header lacks gloss",
        "en:Sports"
      ],
      "glosses": [
        "pertaining to the top-level competition leagues of the junior age group, above junior AAA"
      ],
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "Canada",
          "Canada"
        ],
        [
          "US",
          "American English"
        ],
        [
          "junior AAA",
          "junior AAA"
        ]
      ],
      "raw_glosses": [
        "(sports, Canada, US) pertaining to the top-level competition leagues of the junior age group, above junior AAA"
      ],
      "tags": [
        "Canada",
        "US",
        "not-comparable"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "junior pro"
    },
    {
      "word": "junior professional"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "junior majeur"
    }
  ],
  "word": "major junior"
}