"langth" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "langth",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "length"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pronunciation spellings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Pronunciation spelling of length."
      ],
      "id": "en-langth-en-noun-kxg1yBuz",
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "length",
          "length#English"
        ]
      ],
      "tags": [
        "alt-of",
        "pronunciation-spelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈlæŋ(k)θ/"
    },
    {
      "rhymes": "-æŋθ"
    },
    {
      "rhymes": "-æŋkθ"
    }
  ],
  "word": "langth"
}

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "langth",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "length"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English pronunciation spellings",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/æŋkθ",
        "Rhymes:English/æŋkθ/1 syllable",
        "Rhymes:English/æŋθ",
        "Rhymes:English/æŋθ/1 syllable"
      ],
      "glosses": [
        "Pronunciation spelling of length."
      ],
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "length",
          "length#English"
        ]
      ],
      "tags": [
        "alt-of",
        "pronunciation-spelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈlæŋ(k)θ/"
    },
    {
      "rhymes": "-æŋθ"
    },
    {
      "rhymes": "-æŋkθ"
    }
  ],
  "word": "langth"
}