Urosteon

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]