\Sa*phe"nous\, a. [Gr. ? manifest.] (Anat.)
(a) Manifest; -- applied to the two principal superficial
    veins of the lower limb of man.
(b) Of, pertaining to, or in the region of, the saphenous
    veins; as, the saphenous nerves; the saphenous opening,
    an opening in the broad fascia of the thigh through which
    the internal saphenous vein passes.