noun
mainly globose cacti of southwestern United States and Mexico covered with many nodules; superficially resembling and formerly included in genus Mammillaria
• Hypernyms: ↑caryophylloid dicot genus
• Member Holonyms: ↑Cactaceae, ↑family Cactaceae, ↑cactus family
• Member Meronyms: ↑coryphantha
Useful english dictionary. 2012.