an artificial fly designed for use underwater.
Compare dry fly.
Origin of wet fly
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for wet fly
Historical Examples of wet fly
Quite lately, however, there has been a movement in favour of light rods for dry-fly fishing as well as wet-fly fishing.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012