"dual" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin dualis."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Duel."
      ],
      "id": "fr-dual-en-adj-bs~RfbZG"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la logique",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais des mathématiques",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Dual."
      ],
      "id": "fr-dual-en-adj-ylzJsRjx",
      "topics": [
        "logic",
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈduəl\\"
    },
    {
      "ipa": "\\ˈdjʊəl\\",
      "raw_tags": [
        "(Royaume-Uni)"
      ]
    },
    {
      "ipa": "\\ˈduəl\\",
      "raw_tags": [
        "(États-Unis)"
      ]
    }
  ],
  "word": "dual"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin dualis."
  ],
  "forms": [
    {
      "form": "duals",
      "ipas": [
        "\\ˈdjʊəlz\\",
        "\\ˈduəlz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Homologue."
      ],
      "id": "fr-dual-en-noun-QvnHsDQ-"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la grammaire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Duel."
      ],
      "id": "fr-dual-en-noun-bs~RfbZG",
      "topics": [
        "grammar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈdjʊəl\\"
    },
    {
      "ipa": "\\ˈduəl\\"
    },
    {
      "ipa": "\\ˈdjʊəl\\",
      "raw_tags": [
        "(Royaume-Uni)"
      ]
    },
    {
      "ipa": "\\ˈduəl\\",
      "raw_tags": [
        "(États-Unis)"
      ]
    }
  ],
  "word": "dual"
}

{
  "categories": [
    "Adjectifs en anglais",
    "Lemmes en anglais",
    "Mots en anglais issus d’un mot en latin",
    "anglais"
  ],
  "etymology_texts": [
    "Du latin dualis."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Duel."
      ]
    },
    {
      "categories": [
        "Lexique en anglais de la logique",
        "Lexique en anglais des mathématiques"
      ],
      "glosses": [
        "Dual."
      ],
      "topics": [
        "logic",
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈduəl\\"
    },
    {
      "ipa": "\\ˈdjʊəl\\",
      "raw_tags": [
        "(Royaume-Uni)"
      ]
    },
    {
      "ipa": "\\ˈduəl\\",
      "raw_tags": [
        "(États-Unis)"
      ]
    }
  ],
  "word": "dual"
}

{
  "categories": [
    "Lemmes en anglais",
    "Mots en anglais issus d’un mot en latin",
    "Noms communs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Du latin dualis."
  ],
  "forms": [
    {
      "form": "duals",
      "ipas": [
        "\\ˈdjʊəlz\\",
        "\\ˈduəlz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Homologue."
      ]
    },
    {
      "categories": [
        "Lexique en anglais de la grammaire"
      ],
      "glosses": [
        "Duel."
      ],
      "topics": [
        "grammar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈdjʊəl\\"
    },
    {
      "ipa": "\\ˈduəl\\"
    },
    {
      "ipa": "\\ˈdjʊəl\\",
      "raw_tags": [
        "(Royaume-Uni)"
      ]
    },
    {
      "ipa": "\\ˈduəl\\",
      "raw_tags": [
        "(États-Unis)"
      ]
    }
  ],
  "word": "dual"
}