hvirfilbylur

== Icelandic == === Etymology === From hvirfill +‎ bylur. === Pronunciation === IPA(key): [ˈkʰvɪrvɪlˌpɪːlʏr] === Noun === hvirfilbylur m (genitive singular hvirfilbyls or hvirfilbyljar, nominative plural hvirfilbyljir) whirlwind, tornado ==== Declension ====