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Definition of
firefly noun
from the Oxford Advanced American Dictionary
firefly
noun
noun
NAmE
/
/
ˈfaɪərˌflaɪ
/
/
(
pl.
fireflies
)
(
also
lightning bug
)
jump to other results
a flying insect with a tail that shines in the dark
See
firefly
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
firefly
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