"estreches" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan en graphie normalisée",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan",
      "orig": "occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "estrech",
      "ipas": [
        "\\esˈtɾet͡ʃ\\"
      ],
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "form_of": [
        {
          "word": "estrech"
        }
      ],
      "glosses": [
        "Pluriel de estrech."
      ],
      "id": "fr-estreches-oc-noun-LIueMgQg"
    }
  ],
  "sounds": [
    {
      "ipa": "\\esˈtɾet͡ʃes\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine",
    "plural"
  ],
  "word": "estreches"
}

{
  "categories": [
    "Formes de noms communs en occitan",
    "Occitan en graphie normalisée",
    "occitan"
  ],
  "forms": [
    {
      "form": "estrech",
      "ipas": [
        "\\esˈtɾet͡ʃ\\"
      ],
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "form_of": [
        {
          "word": "estrech"
        }
      ],
      "glosses": [
        "Pluriel de estrech."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\esˈtɾet͡ʃes\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine",
    "plural"
  ],
  "word": "estreches"
}