"quaking aspen" meaning in English

{
  "forms": [
    {
      "form": "quaking aspens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quaking aspen (plural quaking aspens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "_dis": "85 15",
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          "_dis": "76 24",
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        },
        {
          "_dis": "70 30",
          "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+disamb"
        }
      ],
      "glosses": [
        "An American aspen (Populus tremuloides), the leaves of which have flattened petioles that cause them to tremble in the breeze."
      ],
      "id": "en-quaking_aspen-en-noun-WP1P6YfC",
      "links": [
        [
          "American aspen",
          "American aspen"
        ],
        [
          "Populus tremuloides",
          "Populus tremuloides#Translingual"
        ],
        [
          "flatten",
          "flatten"
        ],
        [
          "petiole",
          "petiole"
        ],
        [
          "tremble",
          "tremble"
        ],
        [
          "breeze",
          "breeze"
        ]
      ],
      "synonyms": [
        {
          "word": "trembling aspen"
        },
        {
          "word": "American aspen"
        },
        {
          "word": "quaky tree"
        },
        {
          "word": "quaky aspen"
        },
        {
          "word": "quaky"
        },
        {
          "word": "mountain aspen"
        },
        {
          "word": "golden aspen"
        },
        {
          "word": "trembling poplar"
        },
        {
          "word": "white poplar"
        },
        {
          "word": "quiverleaf"
        }
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A Eurasian aspen (Populus tremula)"
      ],
      "id": "en-quaking_aspen-en-noun-wtDCrhfa",
      "links": [
        [
          "Populus tremula",
          "Populus tremula#Translingual"
        ]
      ]
    }
  ],
  "word": "quaking aspen"
}

{
  "categories": [
    "English countable nouns",
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    "English nouns",
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    "en:Willows and poplars"
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  "forms": [
    {
      "form": "quaking aspens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quaking aspen (plural quaking aspens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "An American aspen (Populus tremuloides), the leaves of which have flattened petioles that cause them to tremble in the breeze."
      ],
      "links": [
        [
          "American aspen",
          "American aspen"
        ],
        [
          "Populus tremuloides",
          "Populus tremuloides#Translingual"
        ],
        [
          "flatten",
          "flatten"
        ],
        [
          "petiole",
          "petiole"
        ],
        [
          "tremble",
          "tremble"
        ],
        [
          "breeze",
          "breeze"
        ]
      ],
      "synonyms": [
        {
          "word": "trembling aspen"
        },
        {
          "word": "American aspen"
        },
        {
          "word": "quaky tree"
        },
        {
          "word": "quaky aspen"
        },
        {
          "word": "quaky"
        },
        {
          "word": "mountain aspen"
        },
        {
          "word": "golden aspen"
        },
        {
          "word": "trembling poplar"
        },
        {
          "word": "white poplar"
        },
        {
          "word": "quiverleaf"
        }
      ]
    },
    {
      "categories": [
        "Entries missing English vernacular names of taxa"
      ],
      "glosses": [
        "A Eurasian aspen (Populus tremula)"
      ],
      "links": [
        [
          "Populus tremula",
          "Populus tremula#Translingual"
        ]
      ]
    }
  ],
  "word": "quaking aspen"
}