vein

a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"

a distinctive style or manner; "he continued in this vein for several minutes"

any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ

a layer of ore between layers of rock

one of the horny ribs that stiffen and support the wing of an insect

make a veinlike pattern