Meniscus is another word for the cartilage in the knee that acts as a shock absorber. You have two of them medial and lateral or inner and outer.  They are both C-shaped structures that are made of fibrocartilage. The meniscus is located between the femur and the tibia or thigh and leg bone. It actually serves many functions in the knee other than shock absorber. It acts as a stabilizer preventing the lower leg from sliding forward on the...