- Urosteon
- Urosteon U*ros"te*on, n.; pl. L. {Urostea}, E. {Urosteons}. [NL., fr. Gr. ? the tail + ? a bone.] (Anat.) A median ossification back of the lophosteon in the sternum of some birds. [1913 Webster]
The Collaborative International Dictionary of English. 2000.