Hypertext Webster Gateway: "fireflies"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Firefly \Fire"fly`\, n.; pl. {Fireflies}. (Zo["o]l.)
Any luminous winged insect, esp. luminous beetles of the
family {Lampyrid[ae]}.
Note: The common American species belong to the genera
{Photinus} and {Photuris}, in which both sexes are
winged. The name is also applied to luminous species of
{Elaterid[ae]}. See {Fire beetle}.
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