spider vein

noun

one of a radiating network of dilated capillaries on the skin.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for spider vein

Historical Examples of spider vein

Therefore he must have a tiger-vein in him, my dear Claude, as well as a beaver-vein and a spider-vein; and no more shame to him.
Prose Idylls
Charles Kingsley