"wedding finger" meaning in English

{
  "etymology_text": "From wedding + finger.\nOne theory has it that the fourth finger of the left hand was used because it was thought to hold a vein connecting directly to the heart.",
  "forms": [
    {
      "form": "wedding fingers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wedding finger (plural wedding fingers)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The ring finger of the left hand."
      ],
      "id": "en-wedding_finger-en-noun-mSw~x4M5",
      "links": [
        [
          "ring finger",
          "ring finger"
        ]
      ]
    }
  ],
  "word": "wedding finger"
}

{
  "etymology_text": "From wedding + finger.\nOne theory has it that the fourth finger of the left hand was used because it was thought to hold a vein connecting directly to the heart.",
  "forms": [
    {
      "form": "wedding fingers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wedding finger (plural wedding fingers)",
      "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",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "The ring finger of the left hand."
      ],
      "links": [
        [
          "ring finger",
          "ring finger"
        ]
      ]
    }
  ],
  "word": "wedding finger"
}