"upjerk" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "jerk"
      },
      "expansion": "up- + jerk",
      "name": "prefix"
    }
  ],
  "etymology_text": "up- + jerk",
  "forms": [
    {
      "form": "upjerks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upjerk (plural upjerks)",
      "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 prefixed with up-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1877, Thomas Caverhill Jerdon, The Birds of India, page 500",
          "text": "[…] rocky pinnacles, from whence he sends forth a sort of choking chattering song, if such it can be called, or, with an upjerk of the tail, hops away with a loud musical whistle, very much after the manner of the Blackbird.",
          "type": "quotation"
        },
        {
          "ref": "1923, Arthur Cleveland Bent, Life Histories of North American Birds: Wild Fowl, page 76",
          "text": "He continues — \"There was the same rear up, with the head bent down, followed by an upjerk of the hind parts; the long sickle-shaped tertials, so noticeable in this species, seemed little if at all expanded, […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An upward jerk."
      ],
      "id": "en-upjerk-en-noun-qhZrNPUN",
      "links": [
        [
          "upward",
          "upward"
        ],
        [
          "jerk",
          "jerk"
        ]
      ]
    }
  ],
  "word": "upjerk"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "jerk"
      },
      "expansion": "up- + jerk",
      "name": "prefix"
    }
  ],
  "etymology_text": "up- + jerk",
  "forms": [
    {
      "form": "upjerks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upjerk (plural upjerks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with up-",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1877, Thomas Caverhill Jerdon, The Birds of India, page 500",
          "text": "[…] rocky pinnacles, from whence he sends forth a sort of choking chattering song, if such it can be called, or, with an upjerk of the tail, hops away with a loud musical whistle, very much after the manner of the Blackbird.",
          "type": "quotation"
        },
        {
          "ref": "1923, Arthur Cleveland Bent, Life Histories of North American Birds: Wild Fowl, page 76",
          "text": "He continues — \"There was the same rear up, with the head bent down, followed by an upjerk of the hind parts; the long sickle-shaped tertials, so noticeable in this species, seemed little if at all expanded, […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An upward jerk."
      ],
      "links": [
        [
          "upward",
          "upward"
        ],
        [
          "jerk",
          "jerk"
        ]
      ]
    }
  ],
  "word": "upjerk"
}