"tremulation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*trem-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "ML.",
        "3": "tremulō",
        "4": "tremulātus",
        "pos": "past participle of <i class=\"Latn mention\" lang=\"la\">tremulāre</i>"
      },
      "expansion": "Medieval Latin tremulātus (past participle of tremulāre)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "-ion"
      },
      "expansion": "+ -ion",
      "name": "suf"
    }
  ],
  "etymology_text": "From Medieval Latin tremulātus (past participle of tremulāre) + -ion.",
  "forms": [
    {
      "form": "tremulations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "tremulation (countable and uncountable, plural tremulations)",
      "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": "English terms suffixed with -ion",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "tremulate"
        }
      ],
      "glosses": [
        "A trembling, quivering."
      ],
      "id": "en-tremulation-en-noun-VIIe5mKX",
      "links": [
        [
          "trembling",
          "trembling"
        ],
        [
          "quivering",
          "quivering"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tɹɛmjʊˈleɪʃən/"
    }
  ],
  "word": "tremulation"
}

{
  "derived": [
    {
      "word": "tremulate"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*trem-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "ML.",
        "3": "tremulō",
        "4": "tremulātus",
        "pos": "past participle of <i class=\"Latn mention\" lang=\"la\">tremulāre</i>"
      },
      "expansion": "Medieval Latin tremulātus (past participle of tremulāre)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "-ion"
      },
      "expansion": "+ -ion",
      "name": "suf"
    }
  ],
  "etymology_text": "From Medieval Latin tremulātus (past participle of tremulāre) + -ion.",
  "forms": [
    {
      "form": "tremulations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "tremulation (countable and uncountable, plural tremulations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 4-syllable words",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Medieval Latin",
        "English terms derived from Proto-Indo-European",
        "English terms derived from the Proto-Indo-European root *trem-",
        "English terms suffixed with -ion",
        "English terms with IPA pronunciation",
        "English uncountable nouns"
      ],
      "glosses": [
        "A trembling, quivering."
      ],
      "links": [
        [
          "trembling",
          "trembling"
        ],
        [
          "quivering",
          "quivering"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tɹɛmjʊˈleɪʃən/"
    }
  ],
  "word": "tremulation"
}