"tra" meaning in Cornique

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "À comparer avec le mot breton tra (sens identique)."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Chose, objet, article."
      ],
      "id": "fr-tra-kw-noun-vAfbAu50"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtʁaː\\"
    }
  ],
  "tags": [
    "neuter",
    "plural"
  ],
  "word": "tra"
}

{
  "categories": [
    "Noms communs en cornique",
    "cornique"
  ],
  "etymology_texts": [
    "À comparer avec le mot breton tra (sens identique)."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Chose, objet, article."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈtʁaː\\"
    }
  ],
  "tags": [
    "neuter",
    "plural"
  ],
  "word": "tra"
}