"sleep mask" meaning in English

{
  "forms": [
    {
      "form": "sleep masks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sleep mask (plural sleep masks)",
      "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"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Headwear",
          "orig": "en:Headwear",
          "parents": [
            "Clothing",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sleep",
          "orig": "en:Sleep",
          "parents": [
            "Body",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a blindfold made to ease sleeping by covering the eyes to block all light."
      ],
      "hypernyms": [
        {
          "word": "blindfold"
        }
      ],
      "id": "en-sleep_mask-en-noun-HUTnjNot",
      "links": [
        [
          "blindfold",
          "blindfold"
        ]
      ],
      "synonyms": [
        {
          "word": "eyeshade"
        }
      ],
      "translations": [
        {
          "code": "eo",
          "lang": "Esperanto",
          "sense": "blindfold",
          "word": "duonmasko"
        },
        {
          "code": "eo",
          "lang": "Esperanto",
          "sense": "blindfold",
          "word": "dormomasko"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "blindfold",
          "word": "uninaamio"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "blindfold",
          "word": "unimaski"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "blindfold",
          "word": "masque de nuit"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "blindfold",
          "tags": [
            "feminine"
          ],
          "word": "maska do spania"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "blindfold",
          "tags": [
            "masculine"
          ],
          "word": "antifaz para dormir"
        }
      ],
      "wikipedia": [
        "sleep mask"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sliːp mɑːsk/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/slip mæsk/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "sleep mask"
}

{
  "forms": [
    {
      "form": "sleep masks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sleep mask (plural sleep masks)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "blindfold"
    }
  ],
  "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 IPA pronunciation",
        "English terms with non-redundant non-automated sortkeys",
        "en:Headwear",
        "en:Sleep"
      ],
      "glosses": [
        "a blindfold made to ease sleeping by covering the eyes to block all light."
      ],
      "links": [
        [
          "blindfold",
          "blindfold"
        ]
      ],
      "wikipedia": [
        "sleep mask"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sliːp mɑːsk/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/slip mæsk/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "eyeshade"
    }
  ],
  "translations": [
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "blindfold",
      "word": "duonmasko"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "blindfold",
      "word": "dormomasko"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "blindfold",
      "word": "uninaamio"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "blindfold",
      "word": "unimaski"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "blindfold",
      "word": "masque de nuit"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "blindfold",
      "tags": [
        "feminine"
      ],
      "word": "maska do spania"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "blindfold",
      "tags": [
        "masculine"
      ],
      "word": "antifaz para dormir"
    }
  ],
  "word": "sleep mask"
}