"leptocephalus" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "λεπτός",
        "t": "thin, slim"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin, slim”)",
      "name": "der"
    }
  ],
  "etymology_text": "From (obsolete) genus name Leptocephalus, equivalent to Ancient Greek λεπτός (leptós, “thin, slim”) + κεφαλή (kephalḗ, “head”).",
  "forms": [
    {
      "form": "leptocephali",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "leptocephali"
      },
      "expansion": "leptocephalus (plural leptocephali)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Baby animals",
          "orig": "en:Baby animals",
          "parents": [
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Eels",
          "orig": "en:Eels",
          "parents": [
            "Elopomorph fish",
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 69:",
          "text": "There they spawn, and from the fertilized eggs emerge the leptocephali, which then ride on currents all the way back to Europe.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The flat, transparent larva of an eel, originally thought to be a distinct species."
      ],
      "id": "en-leptocephalus-en-noun-2ZCYdAaP",
      "links": [
        [
          "larva",
          "larva"
        ],
        [
          "eel",
          "eel"
        ]
      ],
      "related": [
        {
          "word": "leptocephalic"
        },
        {
          "word": "leptocephalous"
        }
      ],
      "synonyms": [
        {
          "word": "glass eel"
        }
      ],
      "wikipedia": [
        "leptocephalus"
      ]
    }
  ],
  "word": "leptocephalus"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "λεπτός",
        "t": "thin, slim"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin, slim”)",
      "name": "der"
    }
  ],
  "etymology_text": "From (obsolete) genus name Leptocephalus, equivalent to Ancient Greek λεπτός (leptós, “thin, slim”) + κεφαλή (kephalḗ, “head”).",
  "forms": [
    {
      "form": "leptocephali",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "leptocephali"
      },
      "expansion": "leptocephalus (plural leptocephali)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "leptocephalic"
    },
    {
      "word": "leptocephalous"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms derived from Ancient Greek",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Baby animals",
        "en:Eels"
      ],
      "examples": [
        {
          "ref": "2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 69:",
          "text": "There they spawn, and from the fertilized eggs emerge the leptocephali, which then ride on currents all the way back to Europe.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The flat, transparent larva of an eel, originally thought to be a distinct species."
      ],
      "links": [
        [
          "larva",
          "larva"
        ],
        [
          "eel",
          "eel"
        ]
      ],
      "wikipedia": [
        "leptocephalus"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "glass eel"
    }
  ],
  "word": "leptocephalus"
}