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Definition of Siphonium
1. n. A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.
Medical Definition of Siphonium
1.
Origin: NL, from Gr, dim. Of. See Siphon.
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1. n. A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.
1.
Origin: NL, from Gr, dim. Of. See Siphon.