any of numerous voracious elongate snakelike bony fishes (order Anguilliformes) that have a smooth slimy skin, lack pelvic fins, and have the median fins confluent around the tail
eely
noun(eel)
any of numerous other elongate fishes (as of the order Synbranchiformes)
eely
noun(eel)
any of various nematodes (such as the vinegar eel)