Bible Dictionaries
Ephemera

Webster's Dictionary

(1):

(n.) A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral.

(2):

(pl.) of Ephemeron

(3):

(n.) A fever of one day's continuance only.

Bibliography Information
Webster, Noah. Entry for 'Ephemera'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/ephemera.html. 1828.