Pronunciation: (ēl), [key]
—pl. (esp. collectively) eel, (esp. referring to two or more kinds or species) eels.
1. any of numerous elongated, snakelike marine or freshwater fishes of the order Apodes, having no ventral fins.
2. any of several similar but unrelated fishes, as the lamprey.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.