| Noun | 1. | genicular vein - veins that drain blood from structures around the knee; empty into the popliteal vein vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood" articulatio genus, genu, human knee, knee, knee joint - hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella |