Dictionary.net

• A genus of apodal fishes with eel-shaped bodies, including the electric eel.

1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.

• The electric eel of S. Amer.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.