Any of the genus Gymnotus of electric knifefishes.(noun)
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Use "gymnotus" in a sentence
"It is well known that the gymnotus is a kind of eel, with a blackish, slimy skin, furnished along the back and tail with an apparatus composed of plates joined by vertical lamellæ, and acted on by nerves of considerable power."
"Accordingly, the Tamanac Indians call the gymnotus, in their expressive language, arimna, which means something that deprives of motion."
"The discharges of the gymnotus, at first somewhat weak, become more and more violent, and there would come a time when, exhausted by the shocks, he would be rendered powerless."