"Greek fret" meaning in English

{
  "forms": [
    {
      "form": "Greek frets",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "Greek fret (plural Greek frets)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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      ],
      "glosses": [
        "Synonym of Greek key (“a decorative border constructed from a continuous line”)"
      ],
      "id": "en-Greek_fret-en-noun-IMSTs8Bp",
      "links": [
        [
          "Greek key",
          "Greek key#English"
        ]
      ],
      "synonyms": [
        {
          "extra": "a decorative border constructed from a continuous line",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Greek key"
        }
      ]
    }
  ],
  "word": "Greek fret"
}

{
  "forms": [
    {
      "form": "Greek frets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Greek fret (plural Greek frets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
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        "English lemmas",
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      ],
      "glosses": [
        "Synonym of Greek key (“a decorative border constructed from a continuous line”)"
      ],
      "links": [
        [
          "Greek key",
          "Greek key#English"
        ]
      ],
      "synonyms": [
        {
          "extra": "a decorative border constructed from a continuous line",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Greek key"
        }
      ]
    }
  ],
  "word": "Greek fret"
}