"kartermestr" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grades militaires en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de karter et de mestr."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Jarl Priel, Va zammig buhez, Éditions Al Liamm, 1954, page 79",
          "text": "…, klask a rejomp lojeiz en un ostelari dister-tre e straed ar c’harter-mestr Bondon e Rekourañs, ….",
          "translation": "…, nous cherchâmes un logement dans une modeste auberge de la rue du Quartier-maître Bondon à Recouvrance, …."
        }
      ],
      "glosses": [
        "Quartier-maître."
      ],
      "id": "fr-kartermestr-br-noun-KCoOSMZB"
    }
  ],
  "sounds": [
    {
      "ipa": "\\karˈtɛrmɛst(r)\\"
    }
  ],
  "tags": [
    "masculine",
    "plural"
  ],
  "word": "kartermestr"
}

{
  "categories": [
    "Compositions en breton",
    "Grades militaires en breton",
    "Noms communs en breton",
    "breton"
  ],
  "etymology_texts": [
    "Composé de karter et de mestr."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Jarl Priel, Va zammig buhez, Éditions Al Liamm, 1954, page 79",
          "text": "…, klask a rejomp lojeiz en un ostelari dister-tre e straed ar c’harter-mestr Bondon e Rekourañs, ….",
          "translation": "…, nous cherchâmes un logement dans une modeste auberge de la rue du Quartier-maître Bondon à Recouvrance, …."
        }
      ],
      "glosses": [
        "Quartier-maître."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\karˈtɛrmɛst(r)\\"
    }
  ],
  "tags": [
    "masculine",
    "plural"
  ],
  "word": "kartermestr"
}