Pronunciation: (ag'it), [key]
1. a variegated chalcedony showing curved, colored bands or other markings.
2. a playing marble made of this substance, or of glass in imitation of it.
3. Print.a 5½-point type of a size between pearl and nonpareil. Cf. ruby (def. 5).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.