synarthrosis
Concise Oxford English Dictionary © 2008 Oxford University Press:
synarthrosis /ˌsɪnɑːˈθrəʊsɪs/
▶noun (pl. synarthroses /-siːz/) Anatomy an immovable joint between bones connected by fibrous tissue (e.g. the sutures of the skull).
– origin C16: from mod. L., from Gk sunarthrōsis, from sun- ‘together’ + arthrōsis ‘jointing’ (from arthron ‘joint’).
'synarthrosis' also found in these Oxford entries:
