"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": "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": "quotation"
        }
      ],
      "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 1-syllable words",
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English terms borrowed from Dutch",
        "English terms derived from Dutch",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "English uncountable nouns",
        "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": "quotation"
        }
      ],
      "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"
}