"post scriptum" meaning in Anglais

{
  "abbreviation": [
    {
      "word": "PS"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dates manquantes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions latines en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions latines en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions-phrases en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser) Du latin post scriptum, composé de post (« après ») et de scriptum (« texte »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "glosses": [
        "Post scriptum."
      ],
      "id": "fr-post_scriptum-en-phrase-gVFEk4QO"
    }
  ],
  "word": "post scriptum"
}

{
  "abbreviation": [
    {
      "word": "PS"
    }
  ],
  "categories": [
    "Compositions en latin",
    "Dates manquantes en anglais",
    "Locutions latines en anglais",
    "Locutions latines en français",
    "Locutions-phrases en anglais",
    "Mots en anglais issus d’un mot en latin",
    "anglais"
  ],
  "etymology_texts": [
    "(Date à préciser) Du latin post scriptum, composé de post (« après ») et de scriptum (« texte »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "glosses": [
        "Post scriptum."
      ]
    }
  ],
  "word": "post scriptum"
}