Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
One of the naked, inflatable air sacs on the neck of theprairie chicken and other species of grouse.
The tympanic membrane or eardrum.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions