"PMSS" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sigles en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Sigle) Initiales de plafond mensuel de la Sécurité sociale."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Français de France",
          "orig": "français de France",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Unité de mesure utilisé pour le calcul de certaines cotisations sociales (assurance vieillesse, régimes complémentaires de retraite…)."
      ],
      "id": "fr-PMSS-fr-noun-FwTWT1BO",
      "raw_tags": [
        "France"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "PMSS"
}

{
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "Sigles en français",
    "français"
  ],
  "etymology_texts": [
    "(Sigle) Initiales de plafond mensuel de la Sécurité sociale."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "français de France"
      ],
      "glosses": [
        "Unité de mesure utilisé pour le calcul de certaines cotisations sociales (assurance vieillesse, régimes complémentaires de retraite…)."
      ],
      "raw_tags": [
        "France"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "PMSS"
}