E*phem"er*al (?), a.
1.
Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.
2.
Short-lived; existing or continuing for a short time only.
"
Ephemeral popularity."
V. Knox.
Sentences not of ephemeral, but of eternal, efficacy.
Sir J. Stephen.
Ephemeral fly Zool., one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larvae are aquatic; -- called also day fly and May fly.
© Webster 1913.
E*phem"er*al, n.
Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc.
© Webster 1913.