Definitions
from The Century Dictionary.
- noun In ornithology, the atmosteon or air-bone which conveys air from the tympanic cavity to the pneumatic cavity of the mandible.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Anat.) A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy A
bony tube which, in somebirds , connects the tympanium with the air chambers of thearticular piece of themandible .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
See siphon.
Support
Help support Wordnik (and make this page ad-free) by adopting the word siphonium.
Examples
Sorry, no example sentences found.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.