Synochal

a. [ Cf. F. synovial. ] (Anat.) Of or pertaining to synovia; secreting synovia. [ 1913 Webster ]

Synovial capsule, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. --
Synovial fluid, synovia. --
Synovial membrane, the dense and very smooth connective tissue membrane which secretes synovia and surrounds synovial capsules and other synovial cavities. [ 1913 Webster ]