- genus Gymnocalycium
- nounlarge genus of low-growing globular South American cacti with spiny ribs covered with many tubercles• Syn: ↑Gymnocalycium• Hypernyms: ↑caryophylloid dicot genus• Member Holonyms: ↑Cactaceae, ↑family Cactaceae, ↑cactus family
Useful english dictionary. 2012.