- An exterior angle of a wall or other piece of masonry. (noun)
- Any of the stones used in forming such an angle, often being of large size and dressed or arranged so as to form a decorative contrast with the adjoining walls. (noun)
- A keystone. (noun)
- Printing A wedge-shaped block used to lock type in a chase. (noun)
- A wedge used to raise the level of a gun. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.