chin cactus: Meaning and Definition of

chin' cac"tus

Pronunciation: [key]
  1. any of various globular cacti of the genus Gymnocalycium, native to South America, having white or pinkish flowers and a chinlike protrusion below each cluster of spines.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.