synovial

/sɪˈnoʊviəl/
adjective
  1. Relating to or producing synovia, the fluid that lubricates joints.
    • The synovial membrane lines the inside of your joints.
    • An injury to the synovial tissue can cause swelling.
    • Synovial fluid is essential for pain-free movement.
What does "synovial" mean? | whatsthatwordmean | whatsthatwordmean