"tann" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "aval-tann"
    },
    {
      "word": "cʼhwil-tann"
    },
    {
      "word": "glastann"
    },
    {
      "word": "ili-tann"
    }
  ],
  "etymology_texts": [
    "Mentionné dans le dictionnaire français-breton de Grégoire de rostrenen (1732).",
    "À comparer avec les mots tannen en vieux cornique, tanno- en gaulois (sens identique), à tan en français."
  ],
  "forms": [
    {
      "form": "tannenn",
      "tags": [
        "singulative",
        "unmutated"
      ]
    },
    {
      "form": "dann",
      "tags": [
        "collective",
        "mutation-soft"
      ]
    },
    {
      "form": "dannenn",
      "tags": [
        "singulative",
        "mutation-soft"
      ]
    },
    {
      "form": "zann",
      "tags": [
        "collective",
        "mutation-spirant"
      ]
    },
    {
      "form": "zannenn",
      "tags": [
        "singulative",
        "mutation-spirant"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arbres en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Chênes rouvres."
      ],
      "id": "fr-tann-br-noun-qENrLLP0",
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtānː\\"
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "tann"
}

{
  "categories": [
    "Noms communs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "aval-tann"
    },
    {
      "word": "cʼhwil-tann"
    },
    {
      "word": "glastann"
    },
    {
      "word": "ili-tann"
    }
  ],
  "etymology_texts": [
    "Mentionné dans le dictionnaire français-breton de Grégoire de rostrenen (1732).",
    "À comparer avec les mots tannen en vieux cornique, tanno- en gaulois (sens identique), à tan en français."
  ],
  "forms": [
    {
      "form": "tannenn",
      "tags": [
        "singulative",
        "unmutated"
      ]
    },
    {
      "form": "dann",
      "tags": [
        "collective",
        "mutation-soft"
      ]
    },
    {
      "form": "dannenn",
      "tags": [
        "singulative",
        "mutation-soft"
      ]
    },
    {
      "form": "zann",
      "tags": [
        "collective",
        "mutation-spirant"
      ]
    },
    {
      "form": "zannenn",
      "tags": [
        "singulative",
        "mutation-spirant"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Arbres en breton"
      ],
      "glosses": [
        "Chênes rouvres."
      ],
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtānː\\"
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "tann"
}