a. [f. mod.L. synarthrōdia (f. Gr. σύν SYN- + ἀρθρωδία ARTHRODIA) + -AL.] Pertaining to or of the nature of a synarthrosis.
1830. R. Knox, Béclards Anat., 279. Bones furnished with inequalities which fit into each other, invested with a synarthrodial cartilage intimately united to the two articulated parts.