1. mayfly

noun. slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days.


  • ephemerid
  • Ephemeridae
  • family Ephemeridae
  • dayfly
  • ephemeropteran

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Sentences with mayfly

1. Noun, singular or mass
An interesting fact about mayflies is that they have a special preadult phase in which they can fly; however once it sheds its adolescent skin, the mayfly returns to the water to feed, mate or swim.

2. Adjective
In general, mayfly nymphs are not picky eaters.