n. [ F. agate, It. agata, L. achates, fr. Gr. &unr_;. ] 1. (Min.) A semipellucid, uncrystallized variety of quartz, presenting various tints in the same specimen. Its colors are delicately arranged in stripes or bands, or blended in clouds. [ 1913 Webster ]
☞ The fortification agate, or Scotch pebble, the moss agate, the clouded agate, etc., are familiar varieties. [ 1913 Webster ]
2. (Print.) A kind of type, larger than pearl and smaller than nonpareil; in England called ruby. [ 1913 Webster ]
☞ This line is printed in the type called agate. [ 1913 Webster ]
3. A diminutive person; so called in allusion to the small figures cut in agate for rings and seals. [ Obs. ] Shak. [ 1913 Webster ]
4. A tool used by gold-wire drawers, bookbinders, etc.; -- so called from the agate fixed in it for burnishing. [ 1913 Webster ]