"periodical cicada" meaning in English

{
  "forms": [
    {
      "form": "periodical cicadas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "periodical cicada (plural periodical cicadas)",
      "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"
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          "source": "w"
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          "source": "w"
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        },
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Cicadas",
          "orig": "en:Cicadas",
          "parents": [
            "Hemipterans",
            "Insects",
            "Arthropods",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2013 May 3, Megan Buerger, “Bugged by Cicada Swarm? Don't Be”, in Wall Street Journal:",
          "text": "An emergence is when a throng of periodical cicadas rises from the ground as soon as the soil reaches about 64 degrees Fahrenheit. The groups of magicicadas, known as broods, surface only once every 13 or 17 years depending on the species.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Any of certain species of cicadas, especially in genus Magicicada, which are known for their 17- and 13-year life-cycles, during most of which they develop underground, emerging in large numbers for a short time as large and audible adults, all those emerging in a year constituting a brood."
      ],
      "hypernyms": [
        {
          "word": "cicada"
        }
      ],
      "hyponyms": [
        {
          "word": "seventeen-year locust"
        },
        {
          "word": "decim periodical cicada"
        }
      ],
      "id": "en-periodical_cicada-en-noun-seSITRap",
      "links": [
        [
          "cicada",
          "cicada"
        ],
        [
          "Magicicada",
          "Magicicada#Translingual"
        ],
        [
          "brood",
          "brood"
        ]
      ],
      "related": [
        {
          "word": "eclosion"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cicada of the genus Magicicada",
          "word": "seitsentoistavuotiskaskas"
        }
      ],
      "wikipedia": [
        "periodical cicada"
      ]
    }
  ],
  "word": "periodical cicada"
}

{
  "forms": [
    {
      "form": "periodical cicadas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "periodical cicada (plural periodical cicadas)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "cicada"
    }
  ],
  "hyponyms": [
    {
      "word": "seventeen-year locust"
    },
    {
      "word": "decim periodical cicada"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "eclosion"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Cicadas"
      ],
      "examples": [
        {
          "ref": "2013 May 3, Megan Buerger, “Bugged by Cicada Swarm? Don't Be”, in Wall Street Journal:",
          "text": "An emergence is when a throng of periodical cicadas rises from the ground as soon as the soil reaches about 64 degrees Fahrenheit. The groups of magicicadas, known as broods, surface only once every 13 or 17 years depending on the species.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Any of certain species of cicadas, especially in genus Magicicada, which are known for their 17- and 13-year life-cycles, during most of which they develop underground, emerging in large numbers for a short time as large and audible adults, all those emerging in a year constituting a brood."
      ],
      "links": [
        [
          "cicada",
          "cicada"
        ],
        [
          "Magicicada",
          "Magicicada#Translingual"
        ],
        [
          "brood",
          "brood"
        ]
      ],
      "wikipedia": [
        "periodical cicada"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cicada of the genus Magicicada",
      "word": "seitsentoistavuotiskaskas"
    }
  ],
  "word": "periodical cicada"
}