ephemera

Meanings

1. 1
   noun

   plural of ephemeron

   the ephemera of springtime

2. 2
   noun

   A mayfly (genus Ephemera).

   These names, and many more, are, in various parts of the country, applied to an ephemera, which appears in most, if not all of the Trout waters of these kingdoms, throughout the whole season, although in greater numbers during spring and autumn, than at other times.

3. 3
   noun

   something transitory

Etymology

Borrowed from Ancient Greek ἐφήμερᾰ (ephḗmeră), neuter plural form of ἐφήμερος (ephḗmeros).