'Synovial fluid' definitions:

Definition of 'synovial fluid'

(from WordNet)
noun
Viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc. [syn: synovia, synovial fluid]

Definition of 'Synovial fluid'

From: GCIDE
  • Synovial \Syn*o"vi*al\, 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]