"wall flower" meaning in English

{
  "forms": [
    {
      "form": "wall flowers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wall flower (plural wall flowers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "wallflower"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1813, Charles Marshall, A Plain and Easy Introduction to the Knowledge and Practice of Gardening, page 289",
          "text": "Of the biennials, the same may be said of the stock July-flower, sweet William, and wall flower ; only the former of these plants does not always live through the winter.",
          "type": "quotation"
        },
        {
          "ref": "2008, Kenneth D. Ransom Sr., Shout Your Way Out!, page 30",
          "text": "I was not what we called a wall flower.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of wallflower"
      ],
      "id": "en-wall_flower-en-noun-izaNS5ak",
      "links": [
        [
          "wallflower",
          "wallflower#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "wall flower"
}

{
  "forms": [
    {
      "form": "wall flowers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wall flower (plural wall flowers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "wallflower"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1813, Charles Marshall, A Plain and Easy Introduction to the Knowledge and Practice of Gardening, page 289",
          "text": "Of the biennials, the same may be said of the stock July-flower, sweet William, and wall flower ; only the former of these plants does not always live through the winter.",
          "type": "quotation"
        },
        {
          "ref": "2008, Kenneth D. Ransom Sr., Shout Your Way Out!, page 30",
          "text": "I was not what we called a wall flower.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of wallflower"
      ],
      "links": [
        [
          "wallflower",
          "wallflower#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "wall flower"
}