"pingback" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ping",
        "3": "back"
      },
      "expansion": "ping + back",
      "name": "compound"
    }
  ],
  "etymology_text": "From ping + back.",
  "forms": [
    {
      "form": "pingbacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pingback (plural pingbacks)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A message automatically sent to a blog when one of the blogger's entries is referenced by another blogger."
      ],
      "id": "en-pingback-en-noun-Vv3~AP0X",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "blog",
          "blog"
        ],
        [
          "blogger",
          "blogger"
        ]
      ],
      "raw_glosses": [
        "(Internet) A message automatically sent to a blog when one of the blogger's entries is referenced by another blogger."
      ],
      "tags": [
        "Internet"
      ],
      "wikipedia": [
        "pingback"
      ]
    }
  ],
  "word": "pingback"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ping",
        "3": "back"
      },
      "expansion": "ping + back",
      "name": "compound"
    }
  ],
  "etymology_text": "From ping + back.",
  "forms": [
    {
      "form": "pingbacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pingback (plural pingbacks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English phrasal nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Internet"
      ],
      "glosses": [
        "A message automatically sent to a blog when one of the blogger's entries is referenced by another blogger."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "blog",
          "blog"
        ],
        [
          "blogger",
          "blogger"
        ]
      ],
      "raw_glosses": [
        "(Internet) A message automatically sent to a blog when one of the blogger's entries is referenced by another blogger."
      ],
      "tags": [
        "Internet"
      ],
      "wikipedia": [
        "pingback"
      ]
    }
  ],
  "word": "pingback"
}