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mayfly

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noun may·fly \ˈmā-ˌflī\

Simple Definition of mayfly

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mayfly

  1. :  any of an order (Ephemeroptera) of insects with an aquatic nymph and a short-lived fragile adult having membranous wings and two or three long caudal styles —called also ephemerid

Illustration of mayfly

Circa 1653

First Known Use of mayfly

circa 1653


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