"へいたん" meaning in Japanese

{
  "forms": [
    {
      "form": "heitan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "へいたんな",
      "roman": "heitan na na",
      "tags": [
        "adnominal"
      ]
    },
    {
      "form": "へいたんに",
      "roman": "heitan ni ni",
      "tags": [
        "adverbial"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "infl": "na"
      },
      "expansion": "へいたん • (heitan) -na (adnominal へいたんな (heitan na na), adverbial へいたんに (heitan ni ni))",
      "name": "ja-adj"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "平坦: flat, level"
      ],
      "id": "en-へいたん-ja-adj-Ss5Jka96",
      "links": [
        [
          "平坦",
          "平坦#Japanese"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "level",
          "level"
        ]
      ]
    },
    {
      "glosses": [
        "平淡: simple, quiet"
      ],
      "id": "en-へいたん-ja-adj-vlqvHeH2",
      "links": [
        [
          "平淡",
          "平淡#Japanese"
        ],
        [
          "simple",
          "simple"
        ],
        [
          "quiet",
          "quiet"
        ]
      ]
    }
  ],
  "word": "へいたん"
}

{
  "forms": [
    {
      "form": "heitan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "へいたん • (heitan)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "兵站: military logistics"
      ],
      "id": "en-へいたん-ja-noun--hYv5Rgs",
      "links": [
        [
          "兵站",
          "兵站#Japanese"
        ],
        [
          "military",
          "military"
        ],
        [
          "logistics",
          "logistics"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "10 10 33 47",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "3 3 8 85",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "3 3 8 85",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "平坦: flatness"
      ],
      "id": "en-へいたん-ja-noun-CdczNZRH",
      "links": [
        [
          "平坦",
          "平坦#Japanese"
        ],
        [
          "flatness",
          "flatness"
        ]
      ]
    }
  ],
  "word": "へいたん"
}

{
  "categories": [
    "Japanese adjectives",
    "Japanese entries with incorrect language header",
    "Japanese hiragana",
    "Japanese lemmas",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms with redundant sortkeys",
    "Japanese な-na adjectives"
  ],
  "forms": [
    {
      "form": "heitan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "へいたんな",
      "roman": "heitan na na",
      "tags": [
        "adnominal"
      ]
    },
    {
      "form": "へいたんに",
      "roman": "heitan ni ni",
      "tags": [
        "adverbial"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "infl": "na"
      },
      "expansion": "へいたん • (heitan) -na (adnominal へいたんな (heitan na na), adverbial へいたんに (heitan ni ni))",
      "name": "ja-adj"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "平坦: flat, level"
      ],
      "links": [
        [
          "平坦",
          "平坦#Japanese"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "level",
          "level"
        ]
      ]
    },
    {
      "glosses": [
        "平淡: simple, quiet"
      ],
      "links": [
        [
          "平淡",
          "平淡#Japanese"
        ],
        [
          "simple",
          "simple"
        ],
        [
          "quiet",
          "quiet"
        ]
      ]
    }
  ],
  "word": "へいたん"
}

{
  "categories": [
    "Japanese adjectives",
    "Japanese entries with incorrect language header",
    "Japanese hiragana",
    "Japanese lemmas",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms with redundant sortkeys",
    "Japanese な-na adjectives"
  ],
  "forms": [
    {
      "form": "heitan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "へいたん • (heitan)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "兵站: military logistics"
      ],
      "links": [
        [
          "兵站",
          "兵站#Japanese"
        ],
        [
          "military",
          "military"
        ],
        [
          "logistics",
          "logistics"
        ]
      ]
    },
    {
      "glosses": [
        "平坦: flatness"
      ],
      "links": [
        [
          "平坦",
          "平坦#Japanese"
        ],
        [
          "flatness",
          "flatness"
        ]
      ]
    }
  ],
  "word": "へいたん"
}