vein
nounDefinition of vein
(Entry 1 of 2)
1
: blood vessel
especially
: any of the tubular branching vessels that carry blood from the capillaries toward the heart
2a
: any of the vascular bundles forming the framework of a leaf
b
: any of the thickened cuticular ribs that serve to stiffen the wings of an insect
3a
: a narrow water channel in rock or earth or in ice
b(1)
: lode sense 2
(2)
: a bed of useful mineral matter
c
: lode sense 3
4
: something suggesting veins (as in reticulation)
specifically
: a wavy variegation (as in marble)
5a
: a distinctive mode of expression : style
stories in a romantic vein
b
: a distinctive element or quality : strain
introduced a welcome vein of humor
c
: a line of thought or action
6a
: a special aptitude
inherited an artistic vein
b
: a usually transitory and casually attained mood
c
: top form
thou troublest me; I am not in the vein— William Shakespeare
vein
verb
veined;
veining;
veins
Definition of vein (Entry 2 of 2)
: to pattern with or as if with veins
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