noun
: the completely closed cavity containing synovia formed by the smooth cartilages covering the articular surfaces of the bones and the surrounding capsular ligament in freely movable joints
noun
: the completely closed cavity containing synovia formed by the smooth cartilages covering the articular surfaces of the bones and the surrounding capsular ligament in freely movable joints
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012