"orcos" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὅρκος",
        "4": "",
        "5": "oath"
      },
      "expansion": "Ancient Greek ὅρκος (hórkos, “oath”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὅρκος (hórkos, “oath”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "orcos (uncountable)",
      "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 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rhetoric",
          "orig": "en:Rhetoric",
          "parents": [
            "Language",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Use of an oath to enhance the believability of a statement."
      ],
      "id": "en-orcos-en-noun-H0aME8L2",
      "links": [
        [
          "rhetoric",
          "rhetoric"
        ]
      ],
      "raw_glosses": [
        "(rhetoric) Use of an oath to enhance the believability of a statement."
      ],
      "tags": [
        "rhetoric",
        "uncountable"
      ]
    }
  ],
  "word": "orcos"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὅρκος",
        "4": "",
        "5": "oath"
      },
      "expansion": "Ancient Greek ὅρκος (hórkos, “oath”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek ὅρκος (hórkos, “oath”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "orcos (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English uncountable nouns",
        "Pages with 3 entries",
        "Pages with entries",
        "en:Rhetoric"
      ],
      "glosses": [
        "Use of an oath to enhance the believability of a statement."
      ],
      "links": [
        [
          "rhetoric",
          "rhetoric"
        ]
      ],
      "raw_glosses": [
        "(rhetoric) Use of an oath to enhance the believability of a statement."
      ],
      "tags": [
        "rhetoric",
        "uncountable"
      ]
    }
  ],
  "word": "orcos"
}