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Definition of "vein" []

  • Anatomy Any of the membranous tubes that form a branching system and carry blood to the heart. (noun)
  • A blood vessel. (noun)
  • 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. (noun)
  • Zoology One of the horny ribs that stiffen and support the wing of an insect. Also called nervure. (noun)
  • Geology A regularly shaped and lengthy occurrence of an ore; a lode. (noun)
  • Any of the tubular vessels that convey oxygen-depleted blood to the heart (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Any of the hollow branching tubes that form the supporting framework of an insect's wing (noun)
  • Any of the vascular strands of a leaf (noun)
  • A clearly defined mass of ore, mineral, etc, filling a fault or fracture, often with a tabular or sheetlike shape (noun)
  • An irregular streak of colour or alien substance in marble, wood, or other material (noun)
  • A natural underground watercourse (noun)
  • A crack or fissure (noun)
  • A distinctive trait or quality in speech, writing, character, etc; strain (noun)
  • A temporary disposition, attitude, or temper; mood (noun)
  • A parting in hair (noun)
  • To diffuse over or cause to diffuse over in streaked patterns (verb)
  • To fill, furnish, or mark with or as if with veins (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "vein" in a sentence
  • "So calling Viet Nam War deaths in vein is a very loaded signal."
  • "In the same genre but a somewhat different vein is Roger Sessions's little book "The Musical Experience of Composer, Performer, Listener" (1950)."
  • "In the same genre but a somewhat different vein is Roger Sessions's "The Musical Experience of Composer, Performer, Listener" (1950)."