"raro" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "rārus",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Latin rārus",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "rārus"
      },
      "expansion": "Borrowed from Latin rārus",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "ralo",
        "notext": "1"
      },
      "expansion": "ralo",
      "name": "doublet"
    }
  ],
  "etymology_text": "Borrowed from Latin rārus. Doublet of the inherited ralo.",
  "forms": [
    {
      "form": "rara",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "raros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "raras",
      "tags": [
        "feminine",
        "plural"
      ]
    },
    {
      "form": "rarísimo",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "sup": "rarísimo"
      },
      "expansion": "raro (feminine rara, masculine plural raros, feminine plural raras, superlative rarísimo)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "ra‧ro"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "bicho raro"
        },
        {
          "word": "cosa rara"
        },
        {
          "word": "de raro en raro"
        },
        {
          "word": "enfermedad rara"
        },
        {
          "word": "más raro que un perro verde"
        },
        {
          "word": "rara vez"
        }
      ],
      "glosses": [
        "rare, strange, odd"
      ],
      "id": "en-raro-es-adj-KMRdbDKH",
      "links": [
        [
          "rare",
          "rare"
        ],
        [
          "strange",
          "strange"
        ],
        [
          "odd",
          "odd"
        ]
      ],
      "synonyms": [
        {
          "word": "extraño"
        }
      ],
      "wikipedia": [
        "Diccionario crítico etimológico castellano e hispánico"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈraɾo/"
    },
    {
      "ipa": "[ˈra.ɾo]"
    },
    {
      "rhymes": "-aɾo"
    }
  ],
  "word": "raro"
}

{
  "derived": [
    {
      "word": "bicho raro"
    },
    {
      "word": "cosa rara"
    },
    {
      "word": "de raro en raro"
    },
    {
      "word": "enfermedad rara"
    },
    {
      "word": "más raro que un perro verde"
    },
    {
      "word": "rara vez"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "rārus",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Latin rārus",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "rārus"
      },
      "expansion": "Borrowed from Latin rārus",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "ralo",
        "notext": "1"
      },
      "expansion": "ralo",
      "name": "doublet"
    }
  ],
  "etymology_text": "Borrowed from Latin rārus. Doublet of the inherited ralo.",
  "forms": [
    {
      "form": "rara",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "raros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "raras",
      "tags": [
        "feminine",
        "plural"
      ]
    },
    {
      "form": "rarísimo",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "sup": "rarísimo"
      },
      "expansion": "raro (feminine rara, masculine plural raros, feminine plural raras, superlative rarísimo)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "ra‧ro"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/aɾo",
        "Rhymes:Spanish/aɾo/2 syllables",
        "Spanish 2-syllable words",
        "Spanish adjectives",
        "Spanish doublets",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish terms borrowed from Latin",
        "Spanish terms derived from Latin",
        "Spanish terms with IPA pronunciation"
      ],
      "glosses": [
        "rare, strange, odd"
      ],
      "links": [
        [
          "rare",
          "rare"
        ],
        [
          "strange",
          "strange"
        ],
        [
          "odd",
          "odd"
        ]
      ],
      "synonyms": [
        {
          "word": "extraño"
        }
      ],
      "wikipedia": [
        "Diccionario crítico etimológico castellano e hispánico"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈraɾo/"
    },
    {
      "ipa": "[ˈra.ɾo]"
    },
    {
      "rhymes": "-aɾo"
    }
  ],
  "word": "raro"
}