"shell shock" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de shell (« abri ») et de schock (« choc »)."
  ],
  "forms": [
    {
      "form": "shell shocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "hypernyms": [
    {
      "translation": "syndrome de stress post-traumatique",
      "word": "PTSD"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "shellschock"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la psychiatrie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais du militaire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Obusite, traumatisme de guerre."
      ],
      "id": "fr-shell_shock-en-noun-rC9UctUR",
      "topics": [
        "military",
        "psychiatry"
      ]
    }
  ],
  "word": "shell shock"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions nominales en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de shell (« abri ») et de schock (« choc »)."
  ],
  "forms": [
    {
      "form": "shell shocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "hypernyms": [
    {
      "translation": "syndrome de stress post-traumatique",
      "word": "PTSD"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "shellschock"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la psychiatrie",
        "Lexique en anglais du militaire",
        "Wiktionnaire:Exemples manquants en anglais"
      ],
      "glosses": [
        "Obusite, traumatisme de guerre."
      ],
      "topics": [
        "military",
        "psychiatry"
      ]
    }
  ],
  "word": "shell shock"
}