"belay device" meaning in English

{
  "forms": [
    {
      "form": "belay devices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "belay device (plural belay devices)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Dutch translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Climbing",
          "orig": "en:Climbing",
          "parents": [
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a mechanical piece of climbing equipment used to control a rope during belaying"
      ],
      "hyponyms": [
        {
          "sense": "climbing device",
          "word": "grigri"
        }
      ],
      "id": "en-belay_device-en-noun-SN-CvJta",
      "links": [
        [
          "climbing",
          "climbing#Noun"
        ],
        [
          "belaying",
          "belaying"
        ]
      ],
      "raw_glosses": [
        "(climbing) a mechanical piece of climbing equipment used to control a rope during belaying"
      ],
      "topics": [
        "climbing",
        "hobbies",
        "lifestyle",
        "sports"
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "climbing equipment",
          "tags": [
            "neuter"
          ],
          "word": "zekerapparaat"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "climbing equipment",
          "tags": [
            "neuter"
          ],
          "word": "zekertoestel"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "climbing equipment",
          "tags": [
            "neuter"
          ],
          "word": "zekeringsapparaat"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "climbing equipment",
          "tags": [
            "neuter"
          ],
          "word": "zekeringstoestel"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "climbing equipment",
          "tags": [
            "masculine"
          ],
          "word": "freno"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "climbing equipment",
          "tags": [
            "masculine"
          ],
          "word": "assicuratore"
        }
      ]
    }
  ],
  "word": "belay device"
}

{
  "forms": [
    {
      "form": "belay devices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "belay device (plural belay devices)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "sense": "climbing device",
      "word": "grigri"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Dutch translations",
        "Terms with Italian translations",
        "en:Climbing"
      ],
      "glosses": [
        "a mechanical piece of climbing equipment used to control a rope during belaying"
      ],
      "links": [
        [
          "climbing",
          "climbing#Noun"
        ],
        [
          "belaying",
          "belaying"
        ]
      ],
      "raw_glosses": [
        "(climbing) a mechanical piece of climbing equipment used to control a rope during belaying"
      ],
      "topics": [
        "climbing",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "climbing equipment",
      "tags": [
        "neuter"
      ],
      "word": "zekerapparaat"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "climbing equipment",
      "tags": [
        "neuter"
      ],
      "word": "zekertoestel"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "climbing equipment",
      "tags": [
        "neuter"
      ],
      "word": "zekeringsapparaat"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "climbing equipment",
      "tags": [
        "neuter"
      ],
      "word": "zekeringstoestel"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "climbing equipment",
      "tags": [
        "masculine"
      ],
      "word": "freno"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "climbing equipment",
      "tags": [
        "masculine"
      ],
      "word": "assicuratore"
    }
  ],
  "word": "belay device"
}