- a pattern or network of veins or streaks
WordReference Random House Unabridged Dictionary of American English © 2026
vein•ing
(vā′ning),USA pronunciation n.
- the act or process of forming veins or an arrangement or marking resembling veins.
- a vein or a pattern of veins or markings suggesting veins.
- vein + -ing1 1680–90
Collins Concise English Dictionary © HarperCollins Publishers::
veining /ˈveɪnɪŋ/ n