"leptocephalus" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "Leptocephalus"
      },
      "expansion": "Leptocephalus",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "λεπτός",
        "t": "thin, slim"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin, slim”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "κεφαλή",
        "t": "head"
      },
      "expansion": "κεφαλή (kephalḗ, “head”)",
      "name": "l"
    }
  ],
  "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "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": "quotation"
        }
      ],
      "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": "mul",
        "2": "Leptocephalus"
      },
      "expansion": "Leptocephalus",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "λεπτός",
        "t": "thin, slim"
      },
      "expansion": "Ancient Greek λεπτός (leptós, “thin, slim”)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "κεφαλή",
        "t": "head"
      },
      "expansion": "κεφαλή (kephalḗ, “head”)",
      "name": "l"
    }
  ],
  "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 entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms derived from Ancient Greek",
        "English terms with quotations",
        "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": "quotation"
        }
      ],
      "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"
}