"school glue" meaning in English

{
  "forms": [
    {
      "form": "school glues",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "school glue (countable and uncountable, plural school glues)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, Diane M. Hyde, Year-Round Classroom Tips:",
          "text": "You can make window clings by using thin transparency sheets, school glue, food coloring, and templates.",
          "type": "quote"
        }
      ],
      "glosses": [
        "polyvinyl acetate"
      ],
      "id": "en-school_glue-en-noun-C83Zm4Rm",
      "links": [
        [
          "polyvinyl acetate",
          "polyvinyl acetate"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "school glue"
}

{
  "forms": [
    {
      "form": "school glues",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "school glue (countable and uncountable, plural school glues)",
      "name": "en-noun"
    }
  ],
  "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",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2004, Diane M. Hyde, Year-Round Classroom Tips:",
          "text": "You can make window clings by using thin transparency sheets, school glue, food coloring, and templates.",
          "type": "quote"
        }
      ],
      "glosses": [
        "polyvinyl acetate"
      ],
      "links": [
        [
          "polyvinyl acetate",
          "polyvinyl acetate"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "school glue"
}