Noun firefly has 2 senses
  1. firefly, fire beetle, Pyrophorus noctiluca - tropical American click beetle having bright luminous spots
    --1 is a kind of elaterid beetle, elater, elaterid
    --1 is a member of Pyrophorus, genus Pyrophorus
  2. firefly, lightning bug - nocturnal beetle common in warm regions having luminescent abdominal organs
    --2 is a kind of beetle
    --2 is a member of Lampyridae, family Lampyridae
    --2 has particulars: glowworm
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