"monotrema" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "μόνος",
        "4": "",
        "5": "alone, only, sole, single"
      },
      "expansion": "Ancient Greek μόνος (mónos, “alone, only, sole, single”)",
      "name": "der"
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    {
      "args": {
        "1": "es",
        "2": "NL.",
        "3": "trema",
        "4": "",
        "5": "aperture"
      },
      "expansion": "New Latin trema (“aperture”)",
      "name": "der"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "τρῆμα"
      },
      "expansion": "Ancient Greek τρῆμα (trêma)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μόνος (mónos, “alone, only, sole, single”) and New Latin trema (“aperture”), from Ancient Greek τρῆμα (trêma).",
  "forms": [
    {
      "form": "monotremas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "monotrema m (plural monotremas)",
      "name": "es-noun"
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  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
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          "name": "Spanish nouns with irregular gender",
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            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Monotremes",
          "orig": "es:Monotremes",
          "parents": [
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "monotreme"
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      "id": "en-monotrema-es-noun-dunFAip3",
      "links": [
        [
          "monotreme",
          "monotreme"
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      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
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      ]
    }
  ],
  "word": "monotrema"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "μόνος",
        "4": "",
        "5": "alone, only, sole, single"
      },
      "expansion": "Ancient Greek μόνος (mónos, “alone, only, sole, single”)",
      "name": "der"
    },
    {
      "args": {
        "1": "es",
        "2": "NL.",
        "3": "trema",
        "4": "",
        "5": "aperture"
      },
      "expansion": "New Latin trema (“aperture”)",
      "name": "der"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "τρῆμα"
      },
      "expansion": "Ancient Greek τρῆμα (trêma)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μόνος (mónos, “alone, only, sole, single”) and New Latin trema (“aperture”), from Ancient Greek τρῆμα (trêma).",
  "forms": [
    {
      "form": "monotremas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
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  "lang_code": "es",
  "pos": "noun",
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      "glosses": [
        "monotreme"
      ],
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          "monotreme",
          "monotreme"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
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      ]
    }
  ],
  "word": "monotrema"
}