Varicose

[Little_Girl]

Irregularly swollen or enlarged; affected with, or
containing, varices, or varicosities; of or pertaining to varices, or
varicosities; as, a varicose nerve fiber; a varicose vein; varicose
ulcers.

[Luis Fok]

a condition in which the tubes that carry blood, esp. those in the legs, are swollen and can be seen on the skin:

[Kit]

Affected by a condition causing the swelling and tortuous lengthening of veins, most often in the legs.