Dictionary.com

Popular Searches

 Thesaurus.com

dayfly

American  
[dey-flahy] / ˈdeɪˌflaɪ /

noun

plural

dayflies

  1. a mayfly.

dayfly British  
/ ˈdeɪˌflaɪ /

noun

  1. another name for a mayfly

"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

Etymology

Origin of dayfly

First recorded in 1595–1605; day + fly 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.