"bushman's clock" meaning in English

{
  "forms": [
    {
      "form": "bushman's clocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "bushman's clock"
      },
      "expansion": "bushman's clock (plural bushman's clocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Kingfishers",
          "orig": "en:Kingfishers",
          "parents": [
            "Coraciiforms",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of laughing kookaburra"
      ],
      "id": "en-bushman's_clock-en-noun-FF9nGC3Q",
      "links": [
        [
          "laughing kookaburra",
          "laughing kookaburra#English"
        ]
      ],
      "raw_glosses": [
        "(dated, colloquial) Synonym of laughing kookaburra"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "laughing kookaburra"
        }
      ],
      "tags": [
        "colloquial",
        "dated"
      ]
    }
  ],
  "word": "bushman's clock"
}

{
  "forms": [
    {
      "form": "bushman's clocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "bushman's clock"
      },
      "expansion": "bushman's clock (plural bushman's clocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English countable nouns",
        "English dated terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Kingfishers"
      ],
      "glosses": [
        "Synonym of laughing kookaburra"
      ],
      "links": [
        [
          "laughing kookaburra",
          "laughing kookaburra#English"
        ]
      ],
      "raw_glosses": [
        "(dated, colloquial) Synonym of laughing kookaburra"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "laughing kookaburra"
        }
      ],
      "tags": [
        "colloquial",
        "dated"
      ]
    }
  ],
  "word": "bushman's clock"
}