Correction and addendum to my last message...
From:
llama_nom
Message:
8455
Date:
2007-08-04
'skeið hin breiðu' "racetracks", neuter plural.
And see Einsteinn's site for two editions of the poems with slightly
different orthographies and punctuation:
http://www.hi.is/~eybjorn/ugm/skindex/var11.html