"grougous" 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": "grougousadeg"
    },
    {
      "word": "grougousadenn"
    },
    {
      "word": "grougousiñ"
    },
    {
      "word": "grougouserezh"
    }
  ],
  "forms": [
    {
      "form": "cʼhrougous",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "krougous",
      "tags": [
        "mutation-hard"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Youenn Drezen, Skol-louarn Veig Trebern II, Éditions Al Liamm, 1973, page 58",
          "text": "An durzhunell a oa tavet he grougous, e beg ar wezenn bupli.",
          "translation": "La tourterelle avait cessé son roucoulement, au faîte du peuplier."
        }
      ],
      "glosses": [
        "Roucoulade, roucoulement."
      ],
      "id": "fr-grougous-br-noun-ZQChqx~C"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɡruː.ɡus\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "grougous"
}

{
  "categories": [
    "Noms communs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "grougousadeg"
    },
    {
      "word": "grougousadenn"
    },
    {
      "word": "grougousiñ"
    },
    {
      "word": "grougouserezh"
    }
  ],
  "forms": [
    {
      "form": "cʼhrougous",
      "tags": [
        "mutation-soft"
      ]
    },
    {
      "form": "krougous",
      "tags": [
        "mutation-hard"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "ref": "Youenn Drezen, Skol-louarn Veig Trebern II, Éditions Al Liamm, 1973, page 58",
          "text": "An durzhunell a oa tavet he grougous, e beg ar wezenn bupli.",
          "translation": "La tourterelle avait cessé son roucoulement, au faîte du peuplier."
        }
      ],
      "glosses": [
        "Roucoulade, roucoulement."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɡruː.ɡus\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "grougous"
}