"rucksac" meaning in English

{
  "forms": [
    {
      "form": "rucksacs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rucksac (plural rucksacs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "rucksack"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1908, H. G. Wells, The War in the Air:",
          "text": "His door was flung open, and a compact young man in uniform appeared, carrying Mr. Butteridge's portfolio, rucksac, and shaving-glass.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Dated form of rucksack."
      ],
      "id": "en-rucksac-en-noun-zkXsKabq",
      "links": [
        [
          "rucksack",
          "rucksack#English"
        ]
      ],
      "tags": [
        "alt-of",
        "dated"
      ]
    }
  ],
  "word": "rucksac"
}

{
  "forms": [
    {
      "form": "rucksacs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rucksac (plural rucksacs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "rucksack"
        }
      ],
      "categories": [
        "English countable nouns",
        "English dated forms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1908, H. G. Wells, The War in the Air:",
          "text": "His door was flung open, and a compact young man in uniform appeared, carrying Mr. Butteridge's portfolio, rucksac, and shaving-glass.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Dated form of rucksack."
      ],
      "links": [
        [
          "rucksack",
          "rucksack#English"
        ]
      ],
      "tags": [
        "alt-of",
        "dated"
      ]
    }
  ],
  "word": "rucksac"
}