"cuatrillo" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "cuatro",
        "3": "illo",
        "gloss1": "four"
      },
      "expansion": "cuatro (“four”) + -illo",
      "name": "suffix"
    }
  ],
  "etymology_text": "From cuatro (“four”) + -illo.",
  "forms": [
    {
      "form": "cuatrillos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "cuatrillo m (plural cuatrillos)",
      "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 -illo",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "an obsolete letter shaped like a 4 with a hook from colonial Mayan orthographies to indicate a velar ejective"
      ],
      "id": "en-cuatrillo-es-noun-oCXhbNo3",
      "links": [
        [
          "Mayan",
          "Mayan"
        ],
        [
          "orthographies",
          "orthography"
        ],
        [
          "velar",
          "velar"
        ],
        [
          "ejective",
          "ejective"
        ]
      ],
      "related": [
        {
          "word": "tresillo"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "cuatrillo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "cuatro",
        "3": "illo",
        "gloss1": "four"
      },
      "expansion": "cuatro (“four”) + -illo",
      "name": "suffix"
    }
  ],
  "etymology_text": "From cuatro (“four”) + -illo.",
  "forms": [
    {
      "form": "cuatrillos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "cuatrillo m (plural cuatrillos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "word": "tresillo"
    }
  ],
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish nouns",
        "Spanish terms suffixed with -illo"
      ],
      "glosses": [
        "an obsolete letter shaped like a 4 with a hook from colonial Mayan orthographies to indicate a velar ejective"
      ],
      "links": [
        [
          "Mayan",
          "Mayan"
        ],
        [
          "orthographies",
          "orthography"
        ],
        [
          "velar",
          "velar"
        ],
        [
          "ejective",
          "ejective"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "cuatrillo"
}