Interpretation of dream: Vein

To see your veins in a dream, insures you against slander, if they are normal. To see them bleeding, denotes that you will have a great sorrow from which there will be no escape. To see them swollen, you will rise hastily to distinction and places of trust.

More interpretations:
Vein (Freud): To dream of cutting a vein is a sign of distressing news from an old friend. ...