Noun etna has 2 senses
  1. Etna, Mount Etna, Mt Etna - an inactive volcano in Sicily; last erupted in 1961; the highest volcano in Europe (10,500 feet)
    --1 is a kind of volcano
    --1 is a part of Sicily, Sicilia
  2. bunsen burner, bunsen, etna - a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
    --2 is a kind of gas burner, gas jet
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