"ring-oath" meaning in English

{
  "forms": [
    {
      "form": "ring-oaths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ring-oath (plural ring-oaths)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2017, Neil Gaiman, Norse Mythology, Bloomsbury Publishing, page 59",
          "text": "\"The wall is growing apace,\" he said. \"And we swore an unbreakable oath, a ring-oath and a weapon-oath, that if he finishes building his wall in time, we will give him the sun and the moon[.]\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An oath sworn upon a finger ring."
      ],
      "id": "en-ring-oath-en-noun-xIVoTF8d",
      "links": [
        [
          "sworn",
          "swear"
        ]
      ]
    }
  ],
  "word": "ring-oath"
}

{
  "forms": [
    {
      "form": "ring-oaths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ring-oath (plural ring-oaths)",
      "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"
      ],
      "examples": [
        {
          "ref": "2017, Neil Gaiman, Norse Mythology, Bloomsbury Publishing, page 59",
          "text": "\"The wall is growing apace,\" he said. \"And we swore an unbreakable oath, a ring-oath and a weapon-oath, that if he finishes building his wall in time, we will give him the sun and the moon[.]\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An oath sworn upon a finger ring."
      ],
      "links": [
        [
          "sworn",
          "swear"
        ]
      ]
    }
  ],
  "word": "ring-oath"
}