"luko" meaning in Esperanto

{
  "forms": [
    {
      "form": "lukon",
      "head_nr": 1,
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "lukoj",
      "head_nr": 1,
      "tags": [
        "plural"
      ]
    },
    {
      "form": "lukojn",
      "head_nr": 1,
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "luko (accusative singular lukon, plural lukoj, accusative plural lukojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "lu‧ko"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto 8OA",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Words approved by the Akademio de Esperanto",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "eo",
          "name": "Nautical",
          "orig": "eo:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "porthole"
      ],
      "head_nr": 1,
      "id": "en-luko-eo-noun-TKBnv5uO",
      "links": [
        [
          "porthole",
          "porthole"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈluko]"
    },
    {
      "rhymes": "-uko"
    }
  ],
  "word": "luko"
}

{
  "forms": [
    {
      "form": "lukon",
      "head_nr": 1,
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "lukoj",
      "head_nr": 1,
      "tags": [
        "plural"
      ]
    },
    {
      "form": "lukojn",
      "head_nr": 1,
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "luko (accusative singular lukon, plural lukoj, accusative plural lukojn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "lu‧ko"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Esperanto 8OA",
        "Esperanto entries with incorrect language header",
        "Esperanto entries with topic categories using raw markup",
        "Esperanto lemmas",
        "Esperanto nouns",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio links",
        "Rhymes:Esperanto/uko",
        "Words approved by the Akademio de Esperanto",
        "eo:Nautical"
      ],
      "glosses": [
        "porthole"
      ],
      "head_nr": 1,
      "links": [
        [
          "porthole",
          "porthole"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈluko]"
    },
    {
      "rhymes": "-uko"
    }
  ],
  "word": "luko"
}