"slean" meaning in English

{
  "forms": [
    {
      "form": "sleans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slean (plural sleans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "slane"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "_dis": "47 3 3 5 15 3 3 22",
          "kind": "other",
          "name": "Old English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative spelling of slane"
      ],
      "id": "en-slean-en-noun-7wUiT8qH",
      "links": [
        [
          "slane",
          "slane#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "slean"
}

{
  "categories": [
    "Old English class 6 strong verbs",
    "Old English entries with incorrect language header",
    "Old English lemmas",
    "Old English terms derived from Proto-Germanic",
    "Old English terms derived from Proto-Indo-European",
    "Old English terms derived from Proto-West Germanic",
    "Old English terms inherited from Proto-Germanic",
    "Old English terms inherited from Proto-West Germanic",
    "Old English terms with IPA pronunciation",
    "Old English verbs"
  ],
  "forms": [
    {
      "form": "sleans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slean (plural sleans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "slane"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns"
      ],
      "glosses": [
        "Alternative spelling of slane"
      ],
      "links": [
        [
          "slane",
          "slane#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "slean"
}