The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
noun pl. troutperch or trout·perch·es
A small North American freshwater fish (Percopsis omiscomaycus) having a translucent body, an adipose fin, and fine saw-toothed edges on its scales.