1The principal vein of the arm; = "cephalic vein"; now historical.
2Any of the veins draining the head.
Origin
Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. After post-classical Latin vena cephalica; compare Old English hēafodǣder cephalic vein.
Definition of head vein in US English:
head vein
noun
Anatomy
1The principal vein of the arm; = "cephalic vein"; now historical.
2Any of the veins draining the head.
Origin
Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. After post-classical Latin vena cephalica; compare Old English hēafodǣder cephalic vein.