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Noun: barrel cactus
  1. 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
     
  2. Any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil
    - echinocactus

Derived forms: barrel cacti

Type of: cactus

Part of: Ferocactus, genus Echinocactus, genus Ferocactus

Encyclopedia: Barrel cactus