What is "synarthrosis"

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.

n. (context anatomy English) A type of joint in which two bones are connected rigidly by fibrous tissue

A synarthrosis is a type of joint which permits very little or no movement under normal conditions. Most synarthroses joints are fibrous.

Suture joints and Gomphosis joints are synarthroses.