"Maunche" meaning in Normand

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en normand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Normand",
      "orig": "normand",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Normand",
  "lang_code": "normand",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en normand",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en normand à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mers en normand",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Normand du Cotentin",
          "orig": "normand du Cotentin",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1=",
          "text": "R’nieri’ ous à ch’t'heu not’ pais d’ Coutaunches,\nHabitaunts dé ch’tte il’ dé Jerri,\nQu’ no dyit yèt’ la perle d’ la Maunche,\nGens, d’ Guernési, d’ Serk et d’ Aor’ni?"
        }
      ],
      "glosses": [
        "Manche (mer)."
      ],
      "id": "fr-Maunche-normand-name-giM~AI3u",
      "raw_tags": [
        "Cotentin"
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Maunche"
}

{
  "categories": [
    "Noms propres en normand",
    "normand"
  ],
  "lang": "Normand",
  "lang_code": "normand",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Exemples en normand",
        "Exemples en normand à traduire",
        "Mers en normand",
        "normand du Cotentin"
      ],
      "examples": [
        {
          "ref": "1=",
          "text": "R’nieri’ ous à ch’t'heu not’ pais d’ Coutaunches,\nHabitaunts dé ch’tte il’ dé Jerri,\nQu’ no dyit yèt’ la perle d’ la Maunche,\nGens, d’ Guernési, d’ Serk et d’ Aor’ni?"
        }
      ],
      "glosses": [
        "Manche (mer)."
      ],
      "raw_tags": [
        "Cotentin"
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Maunche"
}