[ag.ate] n, often attrib [MF, fr. L achates, fr. Gk achates] (1570) 1: a fine-grained variegated chalcedony having its colors arranged in stripes, blended in clouds, or showing mosslike forms
2: something made of or fitted with agate: as a: a drawplate used by gold-wire drawers b: a playing marble of agate
3: a size of type approximately
5. 1/2 points