"plural wife" meaning in English

{
  "forms": [
    {
      "form": "plural wives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "plural wives"
      },
      "expansion": "plural wife (plural plural wives)",
      "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": "Female family members",
          "orig": "en:Female family members",
          "parents": [
            "Family members",
            "Female people",
            "Family",
            "Female",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Steve Cuno, Joanne Hanks, It's Not About the Sex, My Ass, page 27",
          "text": "I fretted about dying an old maid—which in Mormondom starts at around 21 years old—and ending up a plural wife to a stranger in heaven.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A co-wife in a polygamous marriage."
      ],
      "id": "en-plural_wife-en-noun-QDbMJ49q",
      "links": [
        [
          "co-wife",
          "co-wife"
        ],
        [
          "polygamous",
          "polygamous"
        ],
        [
          "marriage",
          "marriage"
        ]
      ]
    }
  ],
  "word": "plural wife"
}

{
  "forms": [
    {
      "form": "plural wives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "plural wives"
      },
      "expansion": "plural wife (plural plural wives)",
      "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",
        "English terms with quotations",
        "en:Female family members"
      ],
      "examples": [
        {
          "ref": "2012, Steve Cuno, Joanne Hanks, It's Not About the Sex, My Ass, page 27",
          "text": "I fretted about dying an old maid—which in Mormondom starts at around 21 years old—and ending up a plural wife to a stranger in heaven.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A co-wife in a polygamous marriage."
      ],
      "links": [
        [
          "co-wife",
          "co-wife"
        ],
        [
          "polygamous",
          "polygamous"
        ],
        [
          "marriage",
          "marriage"
        ]
      ]
    }
  ],
  "word": "plural wife"
}