What does Saphenous vein, large mean in medical term?

Saphenous vein, large means: Large Saphenous vein: This is the larger of two saphenous veins. These principal veins run along the legs, just below the surface.
(in Medical Dictionary)

What else does Saphenous vein, large mean?

Another saphenous vein is called the small saphenous. It runs behind the external malleolus, the protuberance at the end of an ankle joint. The vein joins with the popliteal vein behind the knee.
(in Medical Dictionary)

Also known as the great saphenous, is the large saphenous or saphenous.
(in Medical Dictionary)

From the foot, the large saphenous vein runs up to the open, which is an oval opening in the wide fascia of your thigh. This fibrous membrane allows the vein to pass through.
(in Medical Dictionary)