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siphonium

siphonium is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

1.A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

What does "siphonium" mean?

Reverse-dictionary questions

Definition-first questions whose answer is siphonium.

What is a bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible called?

Sources

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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