The Collaborative International Dictionary
Synarthroses
Synarthrosis \Syn`ar*thro"sis\, n.; pl. Synarthroses. [NL., fr. Gr. ? a being jointed together, fr. ? to link or joint together; sy`n with + ? a joint.] (Anat.) Immovable articulation by close union, as in sutures. It sometimes includes symphysial articulations also. See the Note under Articulation, n., 1.
Wiktionary
synarthroses
n. (plural of synarthrosis English)
WordNet
synarthroses
See synarthrosis