"movable bridge" meaning in English

{
  "forms": [
    {
      "form": "movable bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "movable bridge (plural movable bridges)",
      "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 Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Kalmyk translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Sundanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Bridges",
          "orig": "en:Bridges",
          "parents": [
            "Buildings and structures",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A bridge that may be moved in order to open a safe waterway for watercraft."
      ],
      "hyponyms": [
        {
          "word": "bascule bridge"
        },
        {
          "word": "drawbridge"
        },
        {
          "word": "swing bridge"
        }
      ],
      "id": "en-movable_bridge-en-noun-saWDiR-R",
      "links": [
        [
          "waterway",
          "waterway"
        ]
      ],
      "synonyms": [
        {
          "word": "moveable bridge"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "bridge that can be moved",
          "word": "avattava silta"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "bridge that can be moved",
          "tags": [
            "feminine"
          ],
          "word": "bewegliche Brücke"
        },
        {
          "code": "xal",
          "lang": "Kalmyk",
          "roman": "saldg tagt",
          "sense": "bridge that can be moved",
          "word": "салдг тагт"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "razvodnój most",
          "sense": "bridge that can be moved",
          "tags": [
            "masculine"
          ],
          "word": "разводно́й мост"
        },
        {
          "code": "su",
          "lang": "Sundanese",
          "roman": "sasak gerak",
          "sense": "bridge that can be moved",
          "word": "ᮞᮞᮊ᮪ ᮌᮨᮛᮊ᮪"
        }
      ]
    }
  ],
  "word": "movable bridge"
}

{
  "forms": [
    {
      "form": "movable bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "movable bridge (plural movable bridges)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "bascule bridge"
    },
    {
      "word": "drawbridge"
    },
    {
      "word": "swing bridge"
    }
  ],
  "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 Finnish translations",
        "Terms with German translations",
        "Terms with Kalmyk translations",
        "Terms with Russian translations",
        "Terms with Sundanese translations",
        "en:Bridges"
      ],
      "glosses": [
        "A bridge that may be moved in order to open a safe waterway for watercraft."
      ],
      "links": [
        [
          "waterway",
          "waterway"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "moveable bridge"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "bridge that can be moved",
      "word": "avattava silta"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "bridge that can be moved",
      "tags": [
        "feminine"
      ],
      "word": "bewegliche Brücke"
    },
    {
      "code": "xal",
      "lang": "Kalmyk",
      "roman": "saldg tagt",
      "sense": "bridge that can be moved",
      "word": "салдг тагт"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "razvodnój most",
      "sense": "bridge that can be moved",
      "tags": [
        "masculine"
      ],
      "word": "разводно́й мост"
    },
    {
      "code": "su",
      "lang": "Sundanese",
      "roman": "sasak gerak",
      "sense": "bridge that can be moved",
      "word": "ᮞᮞᮊ᮪ ᮌᮨᮛᮊ᮪"
    }
  ],
  "word": "movable bridge"
}