This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. See mayfly.

n. A mayfly.

n. A neuropterous insect of the genus Ephemera and related genera, of many species, and inhabiting fresh water in the larval state; the ephemeral fly; -- so called because it commonly lives but one day in the winged or adult state. See Ephemeral fly, under ephemeral.

n. A May-fly: a popular name of the neuropterous insects of the family Ephemeridæ: so called because, however long they may live in the larval state, in their perfect form they exist only from a few hours to a few days, taking no food, but only propagating and then dying. See Ephemeridæ.

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

"Bloodless and many footed animals, whether furnished with wings or feet, move with more than four points of motion; as, for instance, the dayfly moves with four feet and four wings: and, I may observe in passing, this creature is exceptional not only in regard to the duration of its existence, whence it receives its name, but also because though a quadruped it has wings also."

ephemerid    ephemeropteran   

ephemeral