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Noun: hedgehog cactus  'hej,hóg 'kak-tus
  1. Cactus of the genus Echinocactus having stout sharp spines
    "The hedgehog cactus's formidable spines discouraged most herbivores"

Derived forms: hedgehog cacti

Type of: barrel cactus, echinocactus

Encyclopedia: Hedgehog cactus