"tensan" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ja",
        "3": "天蚕",
        "t": "tensan moth; tensan silk",
        "tr": "tensan"
      },
      "expansion": "Japanese 天蚕 (tensan, “tensan moth; tensan silk”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Japanese 天蚕 (tensan, “tensan moth; tensan silk”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tensan (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "parents": [
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Saturniid moths",
          "orig": "en:Saturniid moths",
          "parents": [
            "Moths",
            "Insects",
            "Arthropods",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A silk produced by the Japanese oak silkmoth (Antherea yamamai)."
      ],
      "id": "en-tensan-en-noun-v4tmDOCw",
      "links": [
        [
          "silk",
          "silk"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "tensan"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ja",
        "3": "天蚕",
        "t": "tensan moth; tensan silk",
        "tr": "tensan"
      },
      "expansion": "Japanese 天蚕 (tensan, “tensan moth; tensan silk”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Japanese 天蚕 (tensan, “tensan moth; tensan silk”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tensan (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English terms borrowed from Japanese",
        "English terms derived from Japanese",
        "English uncountable nouns",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "en:Saturniid moths"
      ],
      "glosses": [
        "A silk produced by the Japanese oak silkmoth (Antherea yamamai)."
      ],
      "links": [
        [
          "silk",
          "silk"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "tensan"
}