"starderez" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Alan an Diuzet, Envorennou eur prizoniad, imp. Riou-Reuzé, 1946, page 48",
          "text": "Met a greiz-holl, e klevjomp ar rodoù o wigourat ; edo ar starderez o cʼhoari ; ha, war-bouez eizh kant metr bennak, e chomas an tren a-sav.",
          "translation": "Mais tout à coup, nous entendîmes les roues grincer ; les freins étaient enclenchés ; et, au bout d’environ huit cents mètres, le train s’arrêta."
        }
      ],
      "glosses": [
        "Frein."
      ],
      "id": "fr-starderez-br-noun-Z0gd5B~K"
    }
  ],
  "sounds": [
    {
      "ipa": "\\star.ˈdeː.res\\"
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "starderez"
}

{
  "categories": [
    "Noms communs en breton",
    "breton"
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Alan an Diuzet, Envorennou eur prizoniad, imp. Riou-Reuzé, 1946, page 48",
          "text": "Met a greiz-holl, e klevjomp ar rodoù o wigourat ; edo ar starderez o cʼhoari ; ha, war-bouez eizh kant metr bennak, e chomas an tren a-sav.",
          "translation": "Mais tout à coup, nous entendîmes les roues grincer ; les freins étaient enclenchés ; et, au bout d’environ huit cents mètres, le train s’arrêta."
        }
      ],
      "glosses": [
        "Frein."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\star.ˈdeː.res\\"
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "starderez"
}