Of or pertaining to synovia; secreting synovia.

Of, pertaining to, or secreting synovia.

adjective, Greek syn = with, and ovum = egg; hence pertaining to the fluid in freely movable joints resembling egg-white.

Of the tissues lining the joints. Synovial fluid is the fluid inside a joint. Synovial sarcoma is a type of cancer that starts in the cells inside a joint.