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

  • adj. Of, characterized by, or containing vessels that carry or circulate fluids, such as blood, lymph, or sap, through the body of an animal or plant.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of, pertaining to, or containing vessels that conduct or circulate fluids, such as blood, lymph, or sap, through the body of an animal or plant.

from the GNU version of the Collaborative International Dictionary of English

  • adj.
  • adj. Consisting of, or containing, vessels as an essential part of a structure; full of vessels; specifically (Bot.), pertaining to, or containing, special ducts, or tubes, for the circulation of sap.
  • adj. Operating by means of, or made up of an arrangement of, vessels
  • adj. Of or pertaining to the vessels of animal and vegetable bodies.
  • adj. Of or pertaining to the higher division of plants, that is, the phænogamous plants, all of which are vascular, in distinction from the cryptogams, which to a large extent are cellular only.

from The Century Dictionary and Cyclopedia

  • In anatomy and zoology: Of or pertaining to vessels which convey fluids; of or pertaining to the conveyance or circulation of fluids, especially blood, lymph, and chyle; circulatory: as, the vascular system; a vascular function or action.
  • Containing vessels for the circulation of fluids; especially, well provided with small bloodvessels: as, muscle and bone are very vascular tissues; cartilage and cuticle are non-vascular; a vascular tumor.
  • In botany: Consisting of, relating to, or furnished with vessels or ducts: applied to the tissues of plants that are composed of or furnished with elongated cells or vessels for the circulation of sap.
  • Of or pertaining to the higher or phanerogamous plants, these uniformly containing more or less clearly defined vessels or duets.
  • See vasalium.
  • In botany, tissue composed of vessels or ducts; the fibrovascular system.
  • A tumor composed chiefly of an agglomeration of dilated terminal blood-vessels
  • A tumor which contains an abnormally large number of blood-vessels, bleeding profusely on the slightest injury.
  • Bleeding internal hemorrhoids.

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

  • adj. of or relating to or having vessels that conduct and circulate fluids


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

From Latin vāsculum, diminutive of vās, vessel.


  • In the same way, Baer said, the lower or vegetative layer splits into two plates, which he calls the vascular-stratum and the mucous-stratum.

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  • Migraine headaches are classified as vascular headaches because they seem to occur when the arteries in the brain constrict and then suddenly relax.


  • Any blockage or hardening of the artery is known as vascular disease.

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  • However, Lima cautions that an ongoing national study of the long-term vascular benefits of dual therapy and whether extended-release niacin, also known as nicotinic acid, lowers death rates from heart disease should provide more definitive data.

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