"second violon" meaning in Français

{
  "anagrams": [
    {
      "word": "déconvolions"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en espagnol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de second et de violon."
  ],
  "forms": [
    {
      "form": "seconds violons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "premier violon"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Violoniste placé à l’avant de la formation orchestrale et jouant les secondes parties de violon."
      ],
      "id": "fr-second_violon-fr-noun-P1ChyzRC"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "sense": "violoniste",
      "word": "second violin"
    },
    {
      "lang": "Espagnol",
      "lang_code": "es",
      "sense": "violoniste",
      "tags": [
        "masculine"
      ],
      "word": "segundo violín"
    }
  ],
  "word": "second violon"
}

{
  "anagrams": [
    {
      "word": "déconvolions"
    }
  ],
  "categories": [
    "Compositions en français",
    "Locutions nominales en français",
    "Traductions en anglais",
    "Traductions en espagnol",
    "français"
  ],
  "etymology_texts": [
    "Composé de second et de violon."
  ],
  "forms": [
    {
      "form": "seconds violons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "premier violon"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Violoniste placé à l’avant de la formation orchestrale et jouant les secondes parties de violon."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "sense": "violoniste",
      "word": "second violin"
    },
    {
      "lang": "Espagnol",
      "lang_code": "es",
      "sense": "violoniste",
      "tags": [
        "masculine"
      ],
      "word": "segundo violín"
    }
  ],
  "word": "second violon"
}