"chance acquaintance" meaning in English

{
  "forms": [
    {
      "form": "chance acquaintances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chance acquaintance (plural chance acquaintances)",
      "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": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A person whom one knows, often only minimally, having originally met them by chance, without prior arrangement."
      ],
      "id": "en-chance_acquaintance-en-noun-MXaUB~Qb",
      "translations": [
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "known person",
          "word": "hoa tautauāmoa"
        },
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "known person",
          "word": "tautauāmoa"
        }
      ]
    }
  ],
  "word": "chance acquaintance"
}

{
  "forms": [
    {
      "form": "chance acquaintances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chance acquaintance (plural chance acquaintances)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:People"
      ],
      "glosses": [
        "A person whom one knows, often only minimally, having originally met them by chance, without prior arrangement."
      ]
    }
  ],
  "translations": [
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "known person",
      "word": "hoa tautauāmoa"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "known person",
      "word": "tautauāmoa"
    }
  ],
  "word": "chance acquaintance"
}