"quaking asp" meaning in English

{
  "forms": [
    {
      "form": "quaking asps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quaking asp (plural quaking asps)",
      "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": "lifeform",
          "langcode": "en",
          "name": "Willows and poplars",
          "orig": "en:Willows and poplars",
          "parents": [
            "Malpighiales order plants",
            "Trees",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997, B. Franklin Cooling, Fort Donelson's Legacy, page 233",
          "text": "Having decimated groves of cedar, quaking asps, weeping willows, poplars, and fruit trees on the last day of January, Alva C. Griest of the Seventy-second Indiana believed he \"was doing wrong all the time we were at it.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The quaking aspen."
      ],
      "id": "en-quaking_asp-en-noun-RudmGJy0",
      "links": [
        [
          "quaking aspen",
          "quaking aspen"
        ]
      ],
      "synonyms": [
        {
          "word": "quaking-asp"
        }
      ]
    }
  ],
  "word": "quaking asp"
}

{
  "forms": [
    {
      "form": "quaking asps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quaking asp (plural quaking asps)",
      "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",
        "Quotation templates to be cleaned",
        "en:Willows and poplars"
      ],
      "examples": [
        {
          "ref": "1997, B. Franklin Cooling, Fort Donelson's Legacy, page 233",
          "text": "Having decimated groves of cedar, quaking asps, weeping willows, poplars, and fruit trees on the last day of January, Alva C. Griest of the Seventy-second Indiana believed he \"was doing wrong all the time we were at it.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The quaking aspen."
      ],
      "links": [
        [
          "quaking aspen",
          "quaking aspen"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "quaking-asp"
    }
  ],
  "word": "quaking asp"
}