"mientras tanto" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "mientras tanto",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "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": [
        {
          "english": "Meanwhile, the workers installed barricades.",
          "text": "Mientras tanto, los trabajadores instalaron barricadas.",
          "type": "example"
        },
        {
          "ref": "2016 September 11, “Palabras que han marcado historia”, in El Periódico:",
          "text": "Las urnas de cartón, mientras tanto, fueron recogidas por un grupo de traperos que las vendieron a tanto el kilo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "in the meantime, meanwhile"
      ],
      "id": "en-mientras_tanto-es-adv-TEIyNKgS",
      "links": [
        [
          "in the meantime",
          "in the meantime"
        ],
        [
          "meanwhile",
          "meanwhile"
        ]
      ],
      "synonyms": [
        {
          "word": "entretanto"
        }
      ]
    }
  ],
  "word": "mientras tanto"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "mientras tanto",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of Spanish quotations",
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations",
        "Spanish terms with usage examples"
      ],
      "examples": [
        {
          "english": "Meanwhile, the workers installed barricades.",
          "text": "Mientras tanto, los trabajadores instalaron barricadas.",
          "type": "example"
        },
        {
          "ref": "2016 September 11, “Palabras que han marcado historia”, in El Periódico:",
          "text": "Las urnas de cartón, mientras tanto, fueron recogidas por un grupo de traperos que las vendieron a tanto el kilo.",
          "type": "quote"
        }
      ],
      "glosses": [
        "in the meantime, meanwhile"
      ],
      "links": [
        [
          "in the meantime",
          "in the meantime"
        ],
        [
          "meanwhile",
          "meanwhile"
        ]
      ],
      "synonyms": [
        {
          "word": "entretanto"
        }
      ]
    }
  ],
  "word": "mientras tanto"
}