Also found in: Medical, Wikipedia.
Related to weever: weaver
Any of several marine fishes of the family Trachinidae of the eastern Atlantic Ocean, the Mediterranean Sea, and the Black Sea, having venomous spines on the gill cover and first dorsal fin.
[Old North French wivre, serpent, weever; see wyvern.]
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) any small marine percoid fish of the family Trachinidae, such as Trachinus vipera of European waters, having venomous spines around the gills and the dorsal fin
[C17: from Old Northern French wivre viper, ultimately from Latin vīpera viper]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014