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Webster 1913 Edition
Ephemera
‖
E-phem′e-ra
,Noun.
[NL., fr. Gr. [GREEK] a day fly, fr. [GREEK] daily, lasting but a day; [GREEK] over + [GREEK] day.]
1.
(Med.)
A fever of one day’s continuance only.
2.
(Zoöl.)
A genus of insects including the day flies, or ephemeral flies. See
Ephemeral fly
, under Ephemeral
. Webster 1828 Edition
Ephemera
EPHEM'ERA
,Noun.
1.
The Day-fly; strictly, a fly that lives one day only; but the word is applied also to insects that are very short-lived, whether they live several days or an hour only. There are several species.