"espèces sonnantes et trébuchantes" meaning in French

{
  "etymology_text": "From the fact that a real coin was supposed to emit a certain sound, and have a sufficient weight to tip the scales (i.e. the trébuchet).",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "p"
      },
      "expansion": "espèces sonnantes et trébuchantes f (plural only)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French coordinated pairs",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French pluralia tantum",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "to pay in coin of the realm",
          "text": "payer en espèces sonnantes et trébuchantes",
          "type": "example"
        },
        {
          "ref": "1996, Patrick Lemoine, Le Mystère du placebo, →ISBN:",
          "text": "Le médecin est payé en espèces sonnantes et trébuchantes, pour ses soins objectifs, palpables, concrets, quantifiables. L’acte thérapeutique fait l’objet d’une cotation précise, due, puisque remboursable par la Sécurité sociale.",
          "type": "quote"
        }
      ],
      "glosses": [
        "cash, spot cash, hard cash"
      ],
      "id": "en-espèces_sonnantes_et_trébuchantes-fr-noun-ZC0yAoMl",
      "links": [
        [
          "cash",
          "cash"
        ],
        [
          "spot cash",
          "spot cash"
        ],
        [
          "hard cash",
          "hard cash"
        ]
      ],
      "tags": [
        "feminine",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛs.pɛs sɔ.nɑ̃t.z‿e tʁe.by.ʃɑ̃t/"
    },
    {
      "ipa": "/ɛs.pɛs sɔ.nɑ̃.t‿e tʁe.by.ʃɑ̃t/"
    },
    {
      "audio": "LL-Q150 (fra)-Lepticed7-espèces sonnantes et trébuchantes.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav.ogg"
    }
  ],
  "word": "espèces sonnantes et trébuchantes"
}

{
  "etymology_text": "From the fact that a real coin was supposed to emit a certain sound, and have a sufficient weight to tip the scales (i.e. the trébuchet).",
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "p"
      },
      "expansion": "espèces sonnantes et trébuchantes f (plural only)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French coordinated pairs",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French pluralia tantum",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "French terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of French quotations"
      ],
      "examples": [
        {
          "english": "to pay in coin of the realm",
          "text": "payer en espèces sonnantes et trébuchantes",
          "type": "example"
        },
        {
          "ref": "1996, Patrick Lemoine, Le Mystère du placebo, →ISBN:",
          "text": "Le médecin est payé en espèces sonnantes et trébuchantes, pour ses soins objectifs, palpables, concrets, quantifiables. L’acte thérapeutique fait l’objet d’une cotation précise, due, puisque remboursable par la Sécurité sociale.",
          "type": "quote"
        }
      ],
      "glosses": [
        "cash, spot cash, hard cash"
      ],
      "links": [
        [
          "cash",
          "cash"
        ],
        [
          "spot cash",
          "spot cash"
        ],
        [
          "hard cash",
          "hard cash"
        ]
      ],
      "tags": [
        "feminine",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛs.pɛs sɔ.nɑ̃t.z‿e tʁe.by.ʃɑ̃t/"
    },
    {
      "ipa": "/ɛs.pɛs sɔ.nɑ̃.t‿e tʁe.by.ʃɑ̃t/"
    },
    {
      "audio": "LL-Q150 (fra)-Lepticed7-espèces sonnantes et trébuchantes.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav/LL-Q150_%28fra%29-Lepticed7-esp%C3%A8ces_sonnantes_et_tr%C3%A9buchantes.wav.ogg"
    }
  ],
  "word": "espèces sonnantes et trébuchantes"
}