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siphonium
noun
si·pho·ni·um
\sīˈfōnēəm\
Definition of siphonium
siphonia
\-ēə\: a bony tube in some birds connecting the tympanum with the air chambers of the articular piece of the mandible
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Origin and Etymology of siphonium
New Latin, from Greek siphōnion, diminutive of siphōn tube, siphon
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