# leptocephalus

> English word · Noun

## Definitions
1. The flat, transparent larva of an eel, originally thought to be a distinct species.

## Etymology
From (obsolete) genus name Leptocephalus, equivalent to Ancient Greek λεπτός (leptós, “thin, slim”) + κεφαλή (kephalḗ, “head”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/leptocephalus