"when's" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contractions"
      },
      "expansion": "when's",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "word": "when is"
        }
      ],
      "categories": [
        {
          "_dis": "83 6 6 6",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "87 4 4 4",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "94 2 2 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "When's the next train?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when is."
      ],
      "id": "en-when's-en-contraction-kE9i-zvH",
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "is",
          "is#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when has"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "When's he said he's coming?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when has."
      ],
      "id": "en-when's-en-contraction-NPU79OZt",
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "has",
          "has#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Contraction of when has."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction",
        "informal"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when does"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "When's the next train arrive?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when does."
      ],
      "id": "en-when's-en-contraction-PPOVCqOS",
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "does",
          "does#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Contraction of when does."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction",
        "informal"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when was"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "When's the last time you went snorkeling?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when was."
      ],
      "id": "en-when's-en-contraction-sxcUQK-X",
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "was",
          "was#English"
        ]
      ],
      "raw_glosses": [
        "(colloquial) Contraction of when was."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "colloquial",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "wĕnz"
    },
    {
      "ipa": "/wɛnz/"
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-when's.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav.ogg"
    },
    {
      "rhymes": "-ɛnz"
    },
    {
      "homophone": "wens (wine–whine merger)"
    }
  ],
  "word": "when's"
}

{
  "categories": [
    "English contractions",
    "English entries with incorrect language header",
    "English non-lemma forms",
    "English terms with homophones",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:English/ɛnz",
    "Rhymes:English/ɛnz/1 syllable"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contractions"
      },
      "expansion": "when's",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "word": "when is"
        }
      ],
      "categories": [
        "English contractions",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "When's the next train?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when is."
      ],
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "is",
          "is#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when has"
        }
      ],
      "categories": [
        "English contractions",
        "English informal terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "When's he said he's coming?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when has."
      ],
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "has",
          "has#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Contraction of when has."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction",
        "informal"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when does"
        }
      ],
      "categories": [
        "English contractions",
        "English informal terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "When's the next train arrive?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when does."
      ],
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "does",
          "does#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Contraction of when does."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction",
        "informal"
      ]
    },
    {
      "alt_of": [
        {
          "word": "when was"
        }
      ],
      "categories": [
        "English colloquialisms",
        "English contractions",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "When's the last time you went snorkeling?",
          "type": "example"
        }
      ],
      "glosses": [
        "Contraction of when was."
      ],
      "links": [
        [
          "when",
          "when#English"
        ],
        [
          "was",
          "was#English"
        ]
      ],
      "raw_glosses": [
        "(colloquial) Contraction of when was."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "colloquial",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "wĕnz"
    },
    {
      "ipa": "/wɛnz/"
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-when's.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav/LL-Q1860_%28eng%29-Persent101-when%26%2339%3Bs.wav.ogg"
    },
    {
      "rhymes": "-ɛnz"
    },
    {
      "homophone": "wens (wine–whine merger)"
    }
  ],
  "word": "when's"
}