mayfly

play
noun may·fly \ˈmā-ˌflī\

Definition of mayfly

  1. :  any of an order (Ephemeroptera) of insects with an aquatic nymph and a short-lived, fragile adult lacking mouthparts and having membranous, heavily veined wings and two or three long, threadlike tails the wings of the mayfly are held vertically above the body when closed. —called also ephemerid

Circa 1653

First Known Use of mayfly

circa 1653


MAYFLY Defined for English Language Learners

mayfly

play
noun may·fly \ˈmā-ˌflī\

Definition of mayfly for English Language Learners

  • : a small flying insect that lives for only a short time



Seen and Heard

What made you want to look up mayfly? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ