"barrier method" meaning in English

{
  "forms": [
    {
      "form": "barrier methods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "barrier method (plural barrier methods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Birth control",
          "orig": "en:Birth control",
          "parents": [
            "Pregnancy",
            "Sex",
            "Body",
            "Gynaecology",
            "All topics",
            "Reproduction",
            "Human",
            "Female",
            "Medicine",
            "Fundamental",
            "Life",
            "Gender",
            "Biology",
            "Sciences",
            "Nature",
            "Psychology",
            "Sociology",
            "Social sciences",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A means of contraception involving an impenetrable barrier, such as a diaphragm or condom, between sexual partners."
      ],
      "id": "en-barrier_method-en-noun-114l~h4r",
      "links": [
        [
          "contraception",
          "contraception"
        ],
        [
          "impenetrable",
          "impenetrable"
        ],
        [
          "diaphragm",
          "diaphragm"
        ],
        [
          "condom",
          "condom"
        ]
      ]
    }
  ],
  "word": "barrier method"
}

{
  "forms": [
    {
      "form": "barrier methods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "barrier method (plural barrier methods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Birth control"
      ],
      "glosses": [
        "A means of contraception involving an impenetrable barrier, such as a diaphragm or condom, between sexual partners."
      ],
      "links": [
        [
          "contraception",
          "contraception"
        ],
        [
          "impenetrable",
          "impenetrable"
        ],
        [
          "diaphragm",
          "diaphragm"
        ],
        [
          "condom",
          "condom"
        ]
      ]
    }
  ],
  "word": "barrier method"
}