Pronunciation: (gär'nit),[key] —n. 1. any of a group of hard, vitreous minerals, silicates of calcium, magnesium, iron, or manganese with aluminum or iron, varying in color: a deep-red transparent variety is used as a gem and as an abrasive.
2. a deep-red color.
Pronunciation: (gär'nit),[key] —n. Henry Highland, 1815–82, U.S. clergyman and abolitionist.