"they'll" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contraction",
        "head": ""
      },
      "expansion": "they'll",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "they'll",
      "name": "en-cont"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "related": [
    {
      "_dis1": "0 0",
      "word": "he'll"
    },
    {
      "_dis1": "0 0",
      "word": "I'll"
    },
    {
      "_dis1": "0 0",
      "word": "she'll"
    },
    {
      "_dis1": "0 0",
      "word": "they'd"
    },
    {
      "_dis1": "0 0",
      "word": "they're"
    },
    {
      "_dis1": "0 0",
      "word": "they've"
    },
    {
      "_dis1": "0 0",
      "word": "we'll"
    },
    {
      "_dis1": "0 0",
      "word": "you'll"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "they will"
        }
      ],
      "categories": [],
      "glosses": [
        "Contraction of they will."
      ],
      "id": "en-they'll-en-contraction-MzNWXeZS",
      "links": [
        [
          "they",
          "they#English"
        ],
        [
          "will",
          "will#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    },
    {
      "alt_of": [
        {
          "word": "they shall"
        }
      ],
      "categories": [
        {
          "_dis": "36 64",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Contraction of they shall."
      ],
      "id": "en-they'll-en-contraction-pUfOAzCF",
      "links": [
        [
          "they",
          "they#English"
        ],
        [
          "shall",
          "shall#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ðeɪl/"
    },
    {
      "ipa": "/ðɛl/"
    },
    {
      "rhymes": "-eɪl"
    },
    {
      "audio": "en-us-they'll.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-us-they%27ll.ogg/En-us-they%27ll.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-us-they%27ll.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "tags": [
        "obsolete"
      ],
      "word": "they’l"
    }
  ],
  "word": "they'll"
}

{
  "categories": [
    "English 1-syllable words",
    "English contractions",
    "English entries with incorrect language header",
    "English non-lemma forms",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "Rhymes:English/eɪl",
    "Rhymes:English/eɪl/1 syllable"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contraction",
        "head": ""
      },
      "expansion": "they'll",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "they'll",
      "name": "en-cont"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "related": [
    {
      "word": "he'll"
    },
    {
      "word": "I'll"
    },
    {
      "word": "she'll"
    },
    {
      "word": "they'd"
    },
    {
      "word": "they're"
    },
    {
      "word": "they've"
    },
    {
      "word": "we'll"
    },
    {
      "word": "you'll"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "they will"
        }
      ],
      "categories": [
        "English contractions"
      ],
      "glosses": [
        "Contraction of they will."
      ],
      "links": [
        [
          "they",
          "they#English"
        ],
        [
          "will",
          "will#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    },
    {
      "alt_of": [
        {
          "word": "they shall"
        }
      ],
      "categories": [
        "English contractions"
      ],
      "glosses": [
        "Contraction of they shall."
      ],
      "links": [
        [
          "they",
          "they#English"
        ],
        [
          "shall",
          "shall#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ðeɪl/"
    },
    {
      "ipa": "/ðɛl/"
    },
    {
      "rhymes": "-eɪl"
    },
    {
      "audio": "en-us-they'll.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-us-they%27ll.ogg/En-us-they%27ll.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-us-they%27ll.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "obsolete"
      ],
      "word": "they’l"
    }
  ],
  "word": "they'll"
}