"郵便受け" meaning in Japanese

{
  "forms": [
    {
      "form": "郵便受け",
      "ruby": [
        [
          "郵",
          "ゆう"
        ],
        [
          "便",
          "びん"
        ],
        [
          "受",
          "う"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "yūbin'uke",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "iubin'uke",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "いうびんうけ",
      "roman": "iubin'uke",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ゆうびんうけ",
        "hhira": "いうびんうけ"
      },
      "expansion": "郵(ゆう)便(びん)受(う)け • (yūbin'uke) ^(←いうびんうけ (iubin'uke)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Post",
          "orig": "ja:Post",
          "parents": [
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "mailbox"
      ],
      "id": "en-郵便受け-ja-noun-kr6k1Sod",
      "links": [
        [
          "mailbox",
          "mailbox"
        ]
      ],
      "related": [
        {
          "roman": "yūbinbako",
          "ruby": [
            [
              "郵便箱",
              "ゆうびんばこ"
            ]
          ],
          "word": "郵便箱"
        }
      ],
      "synonyms": [
        {
          "roman": "retābokkusu",
          "word": "レターボックス"
        },
        {
          "roman": "mērubokkusu",
          "word": "メールボックス"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "ゆうびんうけ"
    },
    {
      "ipa": "[jɯ̟ᵝːbʲĩɰ̃ɯ̟ᵝke̞]"
    }
  ],
  "word": "郵便受け"
}

{
  "forms": [
    {
      "form": "郵便受け",
      "ruby": [
        [
          "郵",
          "ゆう"
        ],
        [
          "便",
          "びん"
        ],
        [
          "受",
          "う"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "yūbin'uke",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "iubin'uke",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "いうびんうけ",
      "roman": "iubin'uke",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ゆうびんうけ",
        "hhira": "いうびんうけ"
      },
      "expansion": "郵(ゆう)便(びん)受(う)け • (yūbin'uke) ^(←いうびんうけ (iubin'uke)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "yūbinbako",
      "ruby": [
        [
          "郵便箱",
          "ゆうびんばこ"
        ]
      ],
      "word": "郵便箱"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "ja:Post"
      ],
      "glosses": [
        "mailbox"
      ],
      "links": [
        [
          "mailbox",
          "mailbox"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ゆうびんうけ"
    },
    {
      "ipa": "[jɯ̟ᵝːbʲĩɰ̃ɯ̟ᵝke̞]"
    }
  ],
  "synonyms": [
    {
      "roman": "retābokkusu",
      "word": "レターボックス"
    },
    {
      "roman": "mērubokkusu",
      "word": "メールボックス"
    }
  ],
  "word": "郵便受け"
}