Meaning of arapaima

ar•a•pai•ma

Pronunciation: (ar"u-pī'mu), [key]
— n.
  1. a large freshwater fish, Arapaima gigas, of Brazil and Guiana, reputed to reach a length of 15 ft. (4.5 m) and a weight of 500 lb. (225 kg).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.