"exergum" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ἐξ, ex (« hors de ») et ἔργον, ergon (« œuvre »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais de la numismatique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "On each side is the area, or field; the rim, or border ; and the exergum, which is beneath the ground, whereon the figures represented are placed. On the two sides are distinguished the type, and the inscription, or legend."
        }
      ],
      "glosses": [
        "Exergue."
      ],
      "id": "fr-exergum-en-noun-veA~iavX",
      "topics": [
        "numismatics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "exergue"
    }
  ],
  "word": "exergum"
}

{
  "categories": [
    "Lemmes en anglais",
    "Mots en anglais issus d’un mot en grec ancien",
    "Noms communs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Du grec ancien ἐξ, ex (« hors de ») et ἔργον, ergon (« œuvre »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la numismatique"
      ],
      "examples": [
        {
          "text": "On each side is the area, or field; the rim, or border ; and the exergum, which is beneath the ground, whereon the figures represented are placed. On the two sides are distinguished the type, and the inscription, or legend."
        }
      ],
      "glosses": [
        "Exergue."
      ],
      "topics": [
        "numismatics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "exergue"
    }
  ],
  "word": "exergum"
}