1. (n.) One of the vessels which carry blood, either venous or arterial, to the heart. See Artery.

2. (n.) One of the similar branches of the framework of a leaf.

3. (n.) One of the ribs or nervures of the wings of insects. See Venation.

4. (n.) A narrow mass 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 mineral vein or lode, that is, to a vein which contains useful minerals or ores.

5. (n.) A fissure, cleft, or cavity, as in the earth or other substance.

6. (n.) A streak or wave of different color, appearing in wood, and in marble and other stones; variegation.

7. (n.) A train of association, thoughts, emotions, or the like; a current; a course.

8. (n.) Peculiar temper or temperament; tendency or turn of mind; a particular disposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a rich vein of humor; a satirical vein.

9. (v. t.) To form or mark with veins; to fill or cover with veins.

affectation aorta arteriole artery attitude band bar bed bespangle bespeckle bespot blood vessel blotch body-build bonanza brand capillary carotid cast character characteristic characteristics check checker chimney chute command of language complexion composition constituents constitution cornucopia country rock course crasis cue dapple deposit dharma diathesis dike disposition dot ethos exaggeration expression of ideas fashion feeling feeling for words fettle fiber flake fleck font form of speech fount fountain frame frame of mind freckle gangue genius gold mine grace of expression grain grandiloquence gruel habit harlequin heart hint hue humor humors ilk inflation iris jugular vein kind lath line literary style lode lodestuff maculate makeup manner manner of speaking mannerism marble marbleize matrix mere shadow mind mine mineral deposit mode mode of expression mold mood morale motley mottle nature note ore bed paper pattern pay dirt peculiarity pepper personal style physique polychrome polychromize portal vein property pulmonary artery pulmonary vein quality quarry rail rainbow rake resource rhetoric seam sense of language shade shadow shaving shoot skeleton slat slip somatotype sort soup source source of supply spangle speck speckle spirit spirits splinter splotch spot spring sprinkle stamp staple state of mind stigmatize stipple stock strain stratum streak stria striate striation stripe stud style stylistic analysis stylistics suchness suggestion suspicion system tattoo temper temperament tendency tenor tessellate the grand style the plain style the sublime thread tincture tinge tone touch trace trick type variegate veinlet vena cava venation venule wafer way well wellspring