"nit-keeper" meaning in English

{
  "forms": [
    {
      "form": "nit-keepers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nit-keeper (plural nit-keepers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Someone, usually a criminal, who keeps watch; a lookout"
      ],
      "id": "en-nit-keeper-en-noun-f8VT674Q",
      "links": [
        [
          "criminal",
          "criminal"
        ],
        [
          "keeps watch",
          "keep watch"
        ],
        [
          "lookout",
          "lookout"
        ]
      ],
      "raw_glosses": [
        "(Australia, dated) Someone, usually a criminal, who keeps watch; a lookout"
      ],
      "tags": [
        "Australia",
        "dated"
      ]
    }
  ],
  "word": "nit-keeper"
}

{
  "forms": [
    {
      "form": "nit-keepers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nit-keeper (plural nit-keepers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "Someone, usually a criminal, who keeps watch; a lookout"
      ],
      "links": [
        [
          "criminal",
          "criminal"
        ],
        [
          "keeps watch",
          "keep watch"
        ],
        [
          "lookout",
          "lookout"
        ]
      ],
      "raw_glosses": [
        "(Australia, dated) Someone, usually a criminal, who keeps watch; a lookout"
      ],
      "tags": [
        "Australia",
        "dated"
      ]
    }
  ],
  "word": "nit-keeper"
}