"corps étranger" meaning in French

{
  "forms": [
    {
      "form": "corps étrangers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "corps étranger m (plural corps étrangers)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "foreign body"
      ],
      "id": "en-corps_étranger-fr-noun-B39zmjKf",
      "links": [
        [
          "foreign body",
          "foreign body"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "corps étranger"
}

{
  "forms": [
    {
      "form": "corps étrangers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "corps étranger m (plural corps étrangers)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "Pages with 1 entry"
      ],
      "glosses": [
        "foreign body"
      ],
      "links": [
        [
          "foreign body",
          "foreign body"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "corps étranger"
}