"esterilla" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "estera",
        "3": "-illa"
      },
      "expansion": "estera + -illa",
      "name": "af"
    }
  ],
  "etymology_text": "From estera + -illa.",
  "forms": [
    {
      "form": "esterillas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "esterilla f (plural esterillas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms suffixed with -illa",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Exercise",
          "orig": "es:Exercise",
          "parents": [
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "mat (especially exercise mats used in pilates and yoga)"
      ],
      "id": "en-esterilla-es-noun-PxAMMXnx",
      "links": [
        [
          "exercise",
          "exercise"
        ],
        [
          "mat",
          "mat"
        ]
      ],
      "raw_glosses": [
        "(exercise) mat (especially exercise mats used in pilates and yoga)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "exercise",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "esterilla"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "estera",
        "3": "-illa"
      },
      "expansion": "estera + -illa",
      "name": "af"
    }
  ],
  "etymology_text": "From estera + -illa.",
  "forms": [
    {
      "form": "esterillas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "esterilla f (plural esterillas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish terms suffixed with -illa",
        "es:Exercise"
      ],
      "glosses": [
        "mat (especially exercise mats used in pilates and yoga)"
      ],
      "links": [
        [
          "exercise",
          "exercise"
        ],
        [
          "mat",
          "mat"
        ]
      ],
      "raw_glosses": [
        "(exercise) mat (especially exercise mats used in pilates and yoga)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "exercise",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "esterilla"
}