electric eel 
noun
A large eel-like freshwater fish of South America, using pulses of electricity to kill prey, assist in navigation, and for defence.
- Electrophorus electricus, the only member of the family Electrophoridae.
- An added attraction will be the ‘Aqua Show’ from Chennai with sea lions and electric eels and exotic fish.
- Describing a canoe trip through the remote Napo River system in Ecuador, she notes that: Piranha fish live in the lakes, and electric eels.
- Atsina
- at sixes and sevens
- at someone's back
- at someone's beck and call
- at someone's command
- at someone's disposal
- at someone's expense
- at someone's feet
- at someone's pleasure
- at source
- at speed
- at stake
- at stool
- AT&T
- attaboy
- attacca
- attach
- attachable
- attached
- attacher
- attachment
- attachment disorder
- attachment figure
- attachment of earnings
- attachment parenting