"subcover" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "cover"
      },
      "expansion": "sub- + cover",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + cover",
  "forms": [
    {
      "form": "subcovers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subcover (plural subcovers)",
      "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 terms prefixed with sub-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The open intervals cover the real numbers; the open intervals of the form (x, x+1) are a subcover."
        }
      ],
      "glosses": [
        "A cover which is a subset of another cover."
      ],
      "id": "en-subcover-en-noun-i0blkDCM",
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "cover",
          "cover"
        ],
        [
          "subset",
          "subset"
        ]
      ],
      "raw_glosses": [
        "(topology) A cover which is a subset of another cover."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "cover which is a subset of another cover",
          "tags": [
            "feminine"
          ],
          "word": "Teilüberdeckung"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "podpokrytije",
          "sense": "cover which is a subset of another cover",
          "word": "подпокрытие"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "cover which is a subset of another cover",
          "tags": [
            "common-gender"
          ],
          "word": "delövertäckning"
        }
      ]
    }
  ],
  "word": "subcover"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "cover"
      },
      "expansion": "sub- + cover",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + cover",
  "forms": [
    {
      "form": "subcovers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subcover (plural subcovers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "en:Topology"
      ],
      "examples": [
        {
          "text": "The open intervals cover the real numbers; the open intervals of the form (x, x+1) are a subcover."
        }
      ],
      "glosses": [
        "A cover which is a subset of another cover."
      ],
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "cover",
          "cover"
        ],
        [
          "subset",
          "subset"
        ]
      ],
      "raw_glosses": [
        "(topology) A cover which is a subset of another cover."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "cover which is a subset of another cover",
      "tags": [
        "feminine"
      ],
      "word": "Teilüberdeckung"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "podpokrytije",
      "sense": "cover which is a subset of another cover",
      "word": "подпокрытие"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "cover which is a subset of another cover",
      "tags": [
        "common-gender"
      ],
      "word": "delövertäckning"
    }
  ],
  "word": "subcover"
}