1. large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles; [syn: Gymnocalycium, genus Gymnocalycium]
WordNet (r) 3.0 (2006):
Gymnocalycium
n 1: large genus of low-growing globular South American cacti
with spiny ribs covered with many tubercles [syn:
Gymnocalycium, genus Gymnocalycium]