6. vein any body or stratum of ore, coal, etc., clearly separated or defined.
7. vein a streak or marking, as of a different color, running through marble, wood, etc.
8. vein a temporary attitude, mood, or temper: spoke in a serious vein.
9. vein a tendency, quality, or strain traceable in conduct, writing, etc.: a vein of pessimism.
10. (v.t.)vein to furnish with veins.
11. vein to mark with lines or streaks suggesting veins.
12. vein to extend over or through in the manner of veins.
Etymology: (1250–1300; < OF < L vēna vein of the body, channel, ore deposit)
Definition of 'vein'
Princeton's WordNet
1. (noun)vein, vena, venous blood vessel a bloodvessel that carries blood from the capillaries toward the heart "all veins except the pulmonary vein carry unaerated blood"
2. (noun)vein a distinctive style or manner "he continued in this vein for several minutes"
1. (noun)vein a tube that carries blood to your heart a punctured vein
2. vein in the same vein in a similar way a joke that's in the same vein as the one I told you earlier
Definition of 'vein'
Webster Dictionary
1. (noun)vein one of the vessels which carry blood, either venous or arterial, to the heart. See Artery, 2
2. (noun)vein one of the similar branches of the framework of a leaf
3. (noun)vein one of the ribs or nervures of the wings of insects. See Venation
4. (noun)vein a narrowmass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; -- often limited, in the language of miners, to a mineralvein or lode, that is, to a vein which contains useful minerals or ores
5. (noun)vein a fissure, cleft, or cavity, as in the earth or other substance
7. (noun)vein a train of association, thoughts, emotions, or the like; a current; a course
8. (noun)vein peculiar temper or temperament; tendency or turn of mind; a particulardisposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a richvein of humor; a satirical vein
9. (verb)vein to form or mark with veins; to fill or cover with veins