vein

vein [-s] n

L. vēna.

  1. Blood vessel; fluid-bearing tube; linear element of the human circulatory system.
  2. Ditch; trench; canal; course; [fig.] stream of fallen leaves moving uphill in the wind.
  3. Channel; conduit; carrier; [fig.] exemplar; model; pattern.
  4. Duct; heart-bound vas; vessel that carries blood toward the heart.