'Synosteosis' definitions:

Definition of 'Synosteosis'

From: GCIDE

Synosteosis \Syn*os`te*o"sis\, n.; pl. Synosteoses. [NL., fr. Gr. sy`n with + ? bone.] (Anat.) Union by means of bone; the complete closing up and obliteration of sutures. [1913 Webster]