"call note" meaning in English

{
  "forms": [
    {
      "form": "call notes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "call note (plural call notes)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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      "examples": [
        {
          "bold_text_offsets": [
            [
              243,
              253
            ]
          ],
          "ref": "2017, Roger M. Latham, Complete Book of the Wild Turkey:",
          "text": "If the hunter wishes to master all of the different calls of possible use in hunting turkeys, he is confronted with the task of learning eleven. There are sex and age variations in pitch, tone quality, loudness, and inflection for most of the call notes",
          "type": "quote"
        }
      ],
      "glosses": [
        "The note naturally used by a male bird to call a female. It is artificially applied by birdcatchers as a decoy."
      ],
      "id": "en-call_note-en-noun--KbWG4qZ",
      "links": [
        [
          "note",
          "note"
        ],
        [
          "male",
          "male"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "female",
          "female"
        ],
        [
          "birdcatcher",
          "birdcatcher"
        ],
        [
          "decoy",
          "decoy"
        ]
      ]
    }
  ],
  "word": "call note"
}

{
  "forms": [
    {
      "form": "call notes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "call note (plural call notes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "English lemmas",
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              243,
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          ],
          "ref": "2017, Roger M. Latham, Complete Book of the Wild Turkey:",
          "text": "If the hunter wishes to master all of the different calls of possible use in hunting turkeys, he is confronted with the task of learning eleven. There are sex and age variations in pitch, tone quality, loudness, and inflection for most of the call notes",
          "type": "quote"
        }
      ],
      "glosses": [
        "The note naturally used by a male bird to call a female. It is artificially applied by birdcatchers as a decoy."
      ],
      "links": [
        [
          "note",
          "note"
        ],
        [
          "male",
          "male"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "female",
          "female"
        ],
        [
          "birdcatcher",
          "birdcatcher"
        ],
        [
          "decoy",
          "decoy"
        ]
      ]
    }
  ],
  "word": "call note"
}