"upcall" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "call"
      },
      "expansion": "up- + call",
      "name": "prefix"
    }
  ],
  "etymology_text": "From up- + call.",
  "forms": [
    {
      "form": "upcalls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upcall (plural upcalls)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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            "Entry maintenance"
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          "source": "w+disamb"
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        {
          "_dis": "66 34",
          "kind": "other",
          "name": "English terms prefixed with up-",
          "parents": [],
          "source": "w+disamb"
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          "_dis": "86 14",
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          "name": "Pages with 1 entry",
          "parents": [],
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          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code."
      ],
      "id": "en-upcall-en-noun-mv9cAw8g",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "call",
          "call"
        ],
        [
          "kernel",
          "kernel"
        ],
        [
          "framework",
          "framework"
        ],
        [
          "user",
          "user"
        ],
        [
          "code",
          "code"
        ]
      ],
      "raw_glosses": [
        "(programming) A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "word": "upcall"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "call"
      },
      "expansion": "up- + call",
      "name": "prefix"
    }
  ],
  "etymology_text": "From up- + call.",
  "forms": [
    {
      "form": "upcalls",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "upcalling",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "upcalled",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "upcalled",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upcall (third-person singular simple present upcalls, present participle upcalling, simple past and past participle upcalled)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To perform such a call."
      ],
      "id": "en-upcall-en-verb-piFN2gIh"
    }
  ],
  "word": "upcall"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with up-",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "call"
      },
      "expansion": "up- + call",
      "name": "prefix"
    }
  ],
  "etymology_text": "From up- + call.",
  "forms": [
    {
      "form": "upcalls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upcall (plural upcalls)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Programming"
      ],
      "glosses": [
        "A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "call",
          "call"
        ],
        [
          "kernel",
          "kernel"
        ],
        [
          "framework",
          "framework"
        ],
        [
          "user",
          "user"
        ],
        [
          "code",
          "code"
        ]
      ],
      "raw_glosses": [
        "(programming) A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "word": "upcall"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with up-",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "call"
      },
      "expansion": "up- + call",
      "name": "prefix"
    }
  ],
  "etymology_text": "From up- + call.",
  "forms": [
    {
      "form": "upcalls",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "upcalling",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "upcalled",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "upcalled",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "upcall (third-person singular simple present upcalls, present participle upcalling, simple past and past participle upcalled)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To perform such a call."
      ]
    }
  ],
  "word": "upcall"
}