"refajo" meaning in Spanish

{
  "forms": [
    {
      "form": "refajos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "refajo m (plural refajos)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Clothing",
          "orig": "es:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016 October 15, “Elección promisoria”, in Listin Diario:",
          "text": "Como dice el refrán: “Le vi el refajo desde el principio”, en la argumentación dejaba huecos por donde asomaba, ese fatal “fin de la historia y de las ideologías” para dar paso al mercado.",
          "type": "quote"
        }
      ],
      "glosses": [
        "slip (women's undergarment)"
      ],
      "id": "en-refajo-es-noun-ZqR2rklA",
      "links": [
        [
          "slip",
          "slip"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "refajo"
}

{
  "forms": [
    {
      "form": "refajos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "refajo m (plural refajos)",
      "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 lemmas",
        "Spanish masculine nouns",
        "Spanish nouns",
        "Spanish terms with quotations",
        "es:Clothing"
      ],
      "examples": [
        {
          "ref": "2016 October 15, “Elección promisoria”, in Listin Diario:",
          "text": "Como dice el refrán: “Le vi el refajo desde el principio”, en la argumentación dejaba huecos por donde asomaba, ese fatal “fin de la historia y de las ideologías” para dar paso al mercado.",
          "type": "quote"
        }
      ],
      "glosses": [
        "slip (women's undergarment)"
      ],
      "links": [
        [
          "slip",
          "slip"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "refajo"
}