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

  • n. Any of several cacti, especially in the genera Ferocactus and Echinocactus, having unbranched, globular to columnar, ribbed spiny stems.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any cactus with an approximately barrel-like shape.

from the GNU version of the Collaborative International Dictionary of English

  • n. any of several large cacti native to the southwestern U. S. and Mexico, having a short cylindrical form with deep vertical ribs and bearing sharp spines. They are classed in the genera Ferocactus and Echinocactus.

from The Century Dictionary and Cyclopedia

  • n. The bisnaga, Echinocactus: so named from its form and size. See Echinocactus and visnaga.

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

  • n. a cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits
  • n. any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil


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