"IJ" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nl",
        "3": "IJ"
      },
      "expansion": "Dutch IJ",
      "name": "bor"
    }
  ],
  "etymology_text": "From Dutch IJ.",
  "head_templates": [
    {
      "args": {},
      "expansion": "IJ",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Bays",
          "orig": "en:Bays",
          "parents": [
            "Bodies of water",
            "Places",
            "Landforms",
            "Water",
            "Names",
            "Earth",
            "Liquids",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Matter",
            "Fundamental",
            "Nouns",
            "Chemistry",
            "Lemmas",
            "Sciences"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Lakes",
          "orig": "en:Lakes",
          "parents": [
            "Bodies of water",
            "Places",
            "Landforms",
            "Water",
            "Names",
            "Earth",
            "Liquids",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Matter",
            "Fundamental",
            "Nouns",
            "Chemistry",
            "Lemmas",
            "Sciences"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Places in the Netherlands",
          "orig": "en:Places in the Netherlands",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, Geert Mak, translated by Philipp Blom, Amsterdam: A brief life of the city, Vintage, published 2001, page 9:",
          "text": "Velsen, a considerable Roman garrison, was not far away; moreover, for centuries the windy IJ formed part of the northern border of the Roman Empire.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A lake (formerly a bay) adjoining the city of Amsterdam, Netherlands."
      ],
      "id": "en-IJ-en-name-CnDOWpTB",
      "links": [
        [
          "bay",
          "bay"
        ],
        [
          "Amsterdam",
          "Amsterdam"
        ],
        [
          "Netherlands",
          "Netherlands#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "obsolete"
          ],
          "word": "Y"
        }
      ],
      "wikipedia": [
        "IJ (Amsterdam)"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eɪ/",
      "tags": [
        "UK"
      ]
    },
    {
      "rhymes": "-eɪ"
    }
  ],
  "word": "IJ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nl",
        "3": "IJ"
      },
      "expansion": "Dutch IJ",
      "name": "bor"
    }
  ],
  "etymology_text": "From Dutch IJ.",
  "head_templates": [
    {
      "args": {},
      "expansion": "IJ",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English terms borrowed from Dutch",
        "English terms derived from Dutch",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 2 entries",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Rhymes:English/eɪ",
        "Rhymes:English/eɪ/1 syllable",
        "en:Bays",
        "en:Lakes",
        "en:Places in the Netherlands"
      ],
      "examples": [
        {
          "ref": "1999, Geert Mak, translated by Philipp Blom, Amsterdam: A brief life of the city, Vintage, published 2001, page 9:",
          "text": "Velsen, a considerable Roman garrison, was not far away; moreover, for centuries the windy IJ formed part of the northern border of the Roman Empire.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A lake (formerly a bay) adjoining the city of Amsterdam, Netherlands."
      ],
      "links": [
        [
          "bay",
          "bay"
        ],
        [
          "Amsterdam",
          "Amsterdam"
        ],
        [
          "Netherlands",
          "Netherlands#English"
        ]
      ],
      "wikipedia": [
        "IJ (Amsterdam)"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eɪ/",
      "tags": [
        "UK"
      ]
    },
    {
      "rhymes": "-eɪ"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "obsolete"
      ],
      "word": "Y"
    }
  ],
  "word": "IJ"
}