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earbone (plural earbones)
- (anatomy) Any bone in the ear.
- 2009 May 15, Edward Rothstein, “Come Meet Your Folks: Warm Blood Is Required”, in New York Times:
- This earbone criterion may seem esoteric — until we learn that the evolution of that bone structure is related to the development of a single lower jaw, which in turn, is associated with the fact that mammals, unlike, say, lizards, have differentiated teeth that allow for different kinds of chewing.