Lexic.us

Definition of Dayfly

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

Definition of Dayfly

1. 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.

Definition of Dayfly

1. Noun. A mayfly. ¹

¹ Source: wiktionary.com

Definition of Dayfly

1. a mayfly [n -FLIES] - See also: mayfly

Medical Definition of Dayfly

1. 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. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Dayfly

Literary usage of Dayfly

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Monist by Hegeler Institute (1893)
"Says Professor Paulsen : "The dayfly may imagine when the sun sinks that "all is at an end ; light vanishes forever and the whole world is swallowed up in ..."

2. Practical Microscopy by George Edward Davis (1889)
"The larva? too are an interesting study; this stage in the gnat, dayfly, and even of the Dytiscus, Fig. 172 will amply repay the observer for the attention ..."

3. Faith in a Future Life: (foundations) by Alfred Wilhelm Martin (1916)
"We have to choose whether we will live like immortals, or like the dayfly, dead at sundown. The story is told of a college president touring the Bernese ..."

Other Resources: