Glance n.
1. A sudden flash of light or splendor.
Swift as the lightning glance. --Milton.
2. A quick cast of the eyes; a quick or a casual look; a swift survey; a glimpse.
Dart not scornful glances from those eyes. --Shak.
3. An incidental or passing thought or allusion.
How fleet is a glance of the mind. --Cowper.
4. Min. A name given to some sulphides, mostly dark-colored, which have a brilliant metallic luster, as the sulphide of copper, called copper glance.
Glance coal, anthracite; a mineral composed chiefly of carbon.
Glance cobalt, cobaltite, or gray cobalt.
Glance copper, chalcocite.
Glance wood, a hard wood grown in Cuba, and used for gauging instruments, carpenters' rules, etc. --McElrath.