"ephemeral lake" meaning in English

{
  "forms": [
    {
      "form": "ephemeral lakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ephemeral lake (plural ephemeral lakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geology",
          "orig": "en:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "A lake that is ephemeral; that is, a lake that is usually dry, but that fills with water for brief periods during and after rainfall or other precipitation."
      ],
      "id": "en-ephemeral_lake-en-noun-EBHtKs61",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "lake",
          "lake"
        ],
        [
          "ephemeral",
          "ephemeral"
        ]
      ],
      "raw_glosses": [
        "(geology) A lake that is ephemeral; that is, a lake that is usually dry, but that fills with water for brief periods during and after rainfall or other precipitation."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "ephemeral lake"
}

{
  "forms": [
    {
      "form": "ephemeral lakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ephemeral lake (plural ephemeral lakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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        "English multiword terms",
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        "en:Geology"
      ],
      "glosses": [
        "A lake that is ephemeral; that is, a lake that is usually dry, but that fills with water for brief periods during and after rainfall or other precipitation."
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "lake",
          "lake"
        ],
        [
          "ephemeral",
          "ephemeral"
        ]
      ],
      "raw_glosses": [
        "(geology) A lake that is ephemeral; that is, a lake that is usually dry, but that fills with water for brief periods during and after rainfall or other precipitation."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "ephemeral lake"
}