Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various plants of the genus Tradescantia of the Americas, especially T. virginiana, having long thin leaves and three-petaled blue, purple, pink, or white flowers.

from The Century Dictionary.

  • noun A plant of the genus Tradescantia, especially T. Virginica, the common garden species.
  • noun By extension, any plant of the order Commelinaceæ; specifically, Commelina eælestis, a blue-flowered plant from Mexico.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A perennial plant of the Tradescantia genus, found in clumps in woodland and meadow.

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

  • noun any plant of the family Commelinaceae

Etymologies

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

[Originally, any of various European plants of the genus Anthericum, later also applied to plants of the genus Tradescantia : spider (perhaps because the long leaves of both genera typically grow upward and then bend sharply downward, resembling a spider's bowed legs, or because the species A. ramosum was used in ancient times to treat the bite of the European tarantula ) + wort.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

spider +‎ wort

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