"spree killer" meaning in English

{
  "forms": [
    {
      "form": "spree killers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spree killer (plural spree killers)",
      "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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          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Murder",
          "orig": "en:Murder",
          "parents": [
            "Crime",
            "Death",
            "Violence",
            "Criminal law",
            "Society",
            "Body",
            "Life",
            "Human behaviour",
            "Law",
            "All topics",
            "Human",
            "Nature",
            "Justice",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A murderer who kills two or more victims in a short time in multiple locations."
      ],
      "id": "en-spree_killer-en-noun-EyILH4ro",
      "links": [
        [
          "murderer",
          "murderer"
        ],
        [
          "kill",
          "kill"
        ],
        [
          "victim",
          "victim"
        ]
      ],
      "related": [
        {
          "word": "killing spree"
        },
        {
          "word": "mass murderer"
        }
      ],
      "wikipedia": [
        "spree killer"
      ]
    }
  ],
  "word": "spree killer"
}

{
  "forms": [
    {
      "form": "spree killers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spree killer (plural spree killers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "killing spree"
    },
    {
      "word": "mass murderer"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Murder",
        "en:People"
      ],
      "glosses": [
        "A murderer who kills two or more victims in a short time in multiple locations."
      ],
      "links": [
        [
          "murderer",
          "murderer"
        ],
        [
          "kill",
          "kill"
        ],
        [
          "victim",
          "victim"
        ]
      ],
      "wikipedia": [
        "spree killer"
      ]
    }
  ],
  "word": "spree killer"
}