Syn-ō'vi-ă, n.

n. [N. Lat., Fr. synovie, from Gr. σύν, with, and Lat. ovum, Gr. ᾠόν, an egg.] (Anat.) A clear, viscous fluid secreted within the synovial capsules of the joints, serving as a lubricating fluid to the latter, and to maintain them in a normal state.