Þundrnafnorðkarlkynm., gen. Þundar; [prob. akin to Engl. thunder?]:—one of the names of Odin, Lex. Poët.Skammstafanir og tilvitnanirm.karlkyn (e. masculine)gen.eignarfall (e. genitive)prob.probably.Engl.English.Lex. Poët.Lexicon Poëticum by Sveinbjörn Egilsson, 1860.