þórduna

== Icelandic == === Etymology === Cognate with Swedish tordön. === Pronunciation === IPA(key): /ˈθour.tʏ(ː)na/ === Noun === þórduna f (genitive singular þórdunu, nominative plural þórdunur) (poetic, archaic) a roll of thunder; thunderclap; in plural: thunder Synonym: þruma ==== Declension ====