Was it the goblets that were "Meshukadim" or the knobs and the flowers?
1.
Rashi: "Meshukadim" is one of five words that are ambiguous,
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inasmuch as it is unclear whether it goes on what is written before ("Gevi'im") or on what is written afterwards ("Kaftorehah u'Ferachehah").
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2.
Rashbam and Targum Yonasan: The goblets were Meshukadim.