"suplencia" meaning in Spanish

{
  "forms": [
    {
      "form": "suplencias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "suplencia f (plural suplencias)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 November 16, “El trabajo que salvó su vida”, in El País:",
          "text": "Una vez que consiguen insertarse es más fácil continuar trabajando, pues las vuelven a llamar para una suplencia o para cubrir una baja”, añade.",
          "type": "quote"
        }
      ],
      "glosses": [
        "substitution, replacement"
      ],
      "id": "en-suplencia-es-noun-ziHDxaLK",
      "links": [
        [
          "substitution",
          "substitution"
        ],
        [
          "replacement",
          "replacement"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "suplencia"
}

{
  "forms": [
    {
      "form": "suplencias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "suplencia f (plural suplencias)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of Spanish quotations",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "ref": "2015 November 16, “El trabajo que salvó su vida”, in El País:",
          "text": "Una vez que consiguen insertarse es más fácil continuar trabajando, pues las vuelven a llamar para una suplencia o para cubrir una baja”, añade.",
          "type": "quote"
        }
      ],
      "glosses": [
        "substitution, replacement"
      ],
      "links": [
        [
          "substitution",
          "substitution"
        ],
        [
          "replacement",
          "replacement"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "suplencia"
}