Fluid That Lubricates Joints
This page is the CodyCross answer for the clue below from Larger than Life, Group 2142, Puzzle 2 (Circus Tents).
Question is: Fluid That Lubricates Joints
and the answer is: SYNOVIAL
Word Meaning:
SYNOVIAL — (anatomy) Relating to or denoting a type of joint which is surrounded by a thick flexible membrane forming a sac into which is secreted a viscous fluid that lubricates the joint.
Definitions from Wiktionary.