Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Anatomy Any of the membranous tubes that form a branching system and carry blood to the heart.
  • n. A blood vessel.
  • n. Botany One of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other expanded plant organ. Also called nervure.
  • n. Zoology One of the horny ribs that stiffen and support the wing of an insect. Also called nervure.
  • n. Geology A regularly shaped and lengthy occurrence of an ore; a lode.
  • n. A long wavy strip of a different shade or color, as in wood or marble, or as mold in cheese.
  • n. A fissure, crack, or cleft.
  • n. A pervading character or quality; a streak: "All through the interminable narrative there ran a vein of impressive earnestness” ( Mark Twain). See Synonyms at streak.
  • n. A transient attitude or mood.
  • n. A particular turn of mind: spoke later in a more serious vein.
  • transitive v. To supply or fill with veins.
  • transitive v. To mark or decorate with veins.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A blood vessel that transports blood from the capillaries back to the heart
  • n. The entrails of a shrimp
  • n. In leaves, a thickened portion of the leaf containing the vascular bundle
  • n. The nervure of an insect’s wing
  • n. A stripe or streak of a different colour or composition in materials such as wood, cheese, marble or other rocks
  • n. A topic of discussion
  • n. A style, tendency, or quality of something

from the GNU version of the Collaborative International Dictionary of English

  • 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.
  • n. One of the ribs or nervures of the wings of insects. See Venation.
  • 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.
  • n. A fissure, cleft, or cavity, as in the earth or other substance.
  • n. A streak or wave of different color, appearing in wood, and in marble and other stones; variegation.
  • n. A train of associations, thoughts, emotions, or the like; a current; a course.
  • 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.
  • transitive v. To form or mark with veins; to fill or cover with veins.

from The Century Dictionary and Cyclopedia

  • n. In anatomy, one of a set of blood-vessels conveying blood from the periphery to the physiological center of the circulation; one of a set of membranous canals or tubes distributed in nearly all the tissues and organs of the body, for the purpose of carrying blood from these parts to the heart.
  • n. Loosely, any blood-vessel.
  • n. In entomology, one of the ribs or horny tubes which form the frame work of the wings of an insect, and between which the thin membrane of the wings is spread and supported; a nervure.
  • n. In botany, a fibrovascular bundle at or near the surface of a leaf, sepal, petal, etc.: same as nerve, 7. See nervation.
  • n. In mining, an occurrence of ore. usually disseminated through a gangue or veinstone, and having a more or less regular development in length, width, and depth.
  • n. A cavity, fissure, or cleft, as in the earth or other substance.
  • n. A streak, stripe, or marking, of different color or shade, as in natural marble or wood cut so as to show the grain, or glass in which different colors have been melted irregularly. The term is applied either to a long and nearly regular stripe, or to a much broken and contorted one, returning upon itself. Also called veining.
  • n. A streak; a part of anything marked off from the rest by some distinctive character; hence, a distinct property or characteristic considered as running through or being intermingled with others; a continued strain.
  • n. Manner of speech or action; particular style, character, disposition, or cast of mind.
  • n. Particular mood, temper, humor, or disposition for the time being.
  • To fill or furnish with veins; cover with veins; streak or variegate with or as with veins.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. one of the horny ribs that stiffen and support the wing of an insect
  • v. make a veinlike pattern
  • n. a layer of ore between layers of rock
  • n. any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ
  • n. a distinctive style or manner
  • n. a blood vessel that carries blood from the capillaries toward the heart

Etymologies

Middle English veine, from Old French, from Latin vēna.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English < Old French veine < Latin vēna ("a blood-vessel, vein, artery, also a watercourse, a vein of metal, a vein or streak of wood or stone, a row of trees, strength, a person's natural bent, ect."); probable origin a pipe or channel for conveying a fluid, from vehere ("to carry, convey"). (Wiktionary)

Examples

Comments

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  • "8. A streak; a part of anything marked off from the rest by some distinctive character; hence, a distinct property or characteristic considered as running through or being intermingled with others; a continued strain."

    --Century Dictionary

    December 24, 2010