name · noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈfaɪ.əˌflaɪ/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˈfaɪ.ɚˌflaɪ/
CMU ARPABET:F AY1 ER0 F L AY2
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
name
Meaning 1
A locality in the MidCoast council area, eastern New South Wales, Australia.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
Definition source: English Wiktionary via Wiktextract
Usage: Florida, Northern-US, US, Western
Examples
2000, Exploring Life Science, 2: Bats—Cave Life, Marshall Cavendish, page 96, Fireflies are the best-known insects that produce light. [...] Many fireflies use their light to communicate, particularly at mating time when males and females have to get together.
nocturnal beetle common in warm regions having luminescent abdominal organs
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: lightning bug
Antonyms: none provided
Broader terms: beetle
Narrower terms: glowworm
4
noun
Meaning 4
tropical American click beetle having bright luminous spots
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: fire beetle, Pyrophorus noctiluca
Antonyms: none provided
Broader terms: elaterid beetle, elater, elaterid
History
Etymology
Endocentric compound of fire + fly, because the insects glow; whence also lightning bug. Compare glow fly, glowworm, and lanternfly. Compare typologically Ancient Greek λαμπυρίς (lampurís, “glowworm”) (<+ πῦρ (pûr)).
Across languages
Translations
233 source translations are retained for this English entry.