Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
1. also ruff A small spiny freshwater fish (Gymnocephalus cernuus) of the family Percidae, native to Eurasia but introduced into and spreading in the Great Lakes.
2. Variant of ruff3..
[From variant of ruff.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) a European freshwater teleost fish, Acerina cernua, having a single spiny dorsal fin: family Percidae (perches). Also called: pope
[C15: perhaps an alteration of rough (referring to its scales)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014