a vein of the upper arm lying along the inner border of the biceps muscle, draining the whole limb, and opening into the axillary vein
basilic
noun(ba-sil-ic vein)
a continuation of the cephalic vein of the forearm that passes obliquely toward the inner side of the arm in the bend of the elbow to join with the ulnar veins in forming the basilic vein and is often selected for venipuncture