from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The soft tissue which lines the non-cartilaginous surfaces within joints with cavities (synovial joints). It may emit a joint-lubricating fluid called synovial fluid or simply, synovia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a thin membrane in synovial (freely moving) joints that lines the joint capsule and secretes synovial fluid
From Ancient Greek σύν (syn, "with") + ᾠόν (ōon, "egg"), as synovial fluid resembles the white of an egg. (Wiktionary)